COLLEGE ALGEBRA ESSEN.>CUSTOM PACKAGE<
COLLEGE ALGEBRA ESSEN.>CUSTOM PACKAGE<
14th Edition
ISBN: 9781259168437
Author: Miller
Publisher: MCGRAW-HILL HIGHER EDUCATION
bartleby

Videos

Question
Book Icon
Chapter 5.2, Problem 70PE
To determine

To calculate: The value of A,B of the polynomials: 3x2+37x−82=Ax2+Ax−12A+3Bx2−10Bx+3B+3Cx2+11Cx−4C.

Expert Solution & Answer
Check Mark

Want to see the full answer?

Check out a sample textbook solution
Blurred answer
Previous
Chapter 5.2, Problem 69PE
Next
Chapter 5.3, Problem 1SP
Students have asked these similar questions
For which value of k is the following system of equations unique, infinite, and unsolvable?
Show all work to verify if the given point is a solution to the system of equations.
Show all your work.The system of three linear DE can be written in the form

Chapter 5 Solutions

COLLEGE ALGEBRA ESSEN.>CUSTOM PACKAGE<

Ch. 5.1 - Skill Practice 1 Determine if the ordered pair is...Ch. 5.1 - Skill Practice 2 Solve the system by using the...Ch. 5.1 - Prob. 3SPCh. 5.1 - Prob. 4SPCh. 5.1 - Prob. 5SPCh. 5.1 - Prob. 6SPCh. 5.1 - Prob. 7SPCh. 5.1 - Prob. 8SPCh. 5.1 - Prob. 1PECh. 5.1 - Prob. 2PE
Ch. 5.1 - Prob. 3PECh. 5.1 - Prob. 4PECh. 5.1 - Prob. 5PECh. 5.1 - Prob. 6PECh. 5.1 - Prob. 7PECh. 5.1 - Prob. 8PECh. 5.1 - Prob. 9PECh. 5.1 - Prob. 10PECh. 5.1 - Prob. 11PECh. 5.1 - Prob. 12PECh. 5.1 - Prob. 13PECh. 5.1 - Prob. 14PECh. 5.1 - Prob. 15PECh. 5.1 - Prob. 16PECh. 5.1 - Prob. 17PECh. 5.1 - Prob. 18PECh. 5.1 - Prob. 19PECh. 5.1 - Objective 2: Solve Systems of Linear Equations in...Ch. 5.1 - Prob. 21PECh. 5.1 - Prob. 22PECh. 5.1 - Prob. 23PECh. 5.1 - Prob. 24PECh. 5.1 - For Exercises 21-28, solve the system of equations...Ch. 5.1 - Prob. 26PECh. 5.1 - Prob. 27PECh. 5.1 - Prob. 28PECh. 5.1 - Prob. 29PECh. 5.1 - Prob. 30PECh. 5.1 - Prob. 31PECh. 5.1 - Prob. 32PECh. 5.1 - Prob. 33PECh. 5.1 - Prob. 34PECh. 5.1 - Prob. 35PECh. 5.1 - Prob. 36PECh. 5.1 - Prob. 37PECh. 5.1 - Prob. 38PECh. 5.1 - Prob. 39PECh. 5.1 - Prob. 40PECh. 5.1 - Prob. 41PECh. 5.1 - Prob. 42PECh. 5.1 - Prob. 43PECh. 5.1 - Prob. 44PECh. 5.1 - Prob. 45PECh. 5.1 - Prob. 46PECh. 5.1 - Prob. 47PECh. 5.1 - Prob. 48PECh. 5.1 - Prob. 49PECh. 5.1 - Prob. 50PECh. 5.1 - Prob. 51PECh. 5.1 - Prob. 52PECh. 5.1 - Prob. 53PECh. 5.1 - Prob. 54PECh. 5.1 - Prob. 55PECh. 5.1 - Prob. 56PECh. 5.1 - Prob. 57PECh. 5.1 - Prob. 58PECh. 5.1 - Prob. 59PECh. 5.1 - Prob. 60PECh. 5.1 - Prob. 61PECh. 5.1 - Prob. 62PECh. 5.1 - Prob. 63PECh. 5.1 - Prob. 64PECh. 5.1 - Prob. 65PECh. 5.1 - Prob. 66PECh. 5.1 - Prob. 67PECh. 5.1 - Prob. 68PECh. 5.1 - Prob. 69PECh. 5.1 - Prob. 70PECh. 5.1 - Prob. 71PECh. 5.1 - Prob. 72PECh. 5.1 - Prob. 73PECh. 5.1 - Prob. 74PECh. 5.1 - Prob. 75PECh. 5.1 - Prob. 76PECh. 5.1 - Prob. 77PECh. 5.1 - Prob. 78PECh. 5.1 - Prob. 79PECh. 5.1 - Prob. 80PECh. 5.1 - Prob. 81PECh. 5.1 - Prob. 82PECh. 5.1 - Prob. 83PECh. 5.1 - Shelia swam 1 mi and ran 6 mi in a total of 1 hr...Ch. 5.1 - Prob. 85PECh. 5.1 - Prob. 86PECh. 5.1 - Prob. 87PECh. 5.1 - Prob. 88PECh. 5.1 - Prob. 89PECh. 5.1 - Prob. 90PECh. 5.1 - Prob. 91PECh. 5.1 - Prob. 92PECh. 5.1 - Prob. 93PECh. 5.1 - Prob. 94PECh. 5.1 - Prob. 95PECh. 5.1 - Prob. 96PECh. 5.1 - Prob. 97PECh. 5.1 - Prob. 98PECh. 5.1 - Prob. 99PECh. 5.2 - Prob. 1SPCh. 5.2 - Prob. 2SPCh. 5.2 - Prob. 3SPCh. 5.2 - Prob. 4SPCh. 5.2 - Prob. 5SPCh. 5.2 - Prob. 6SPCh. 5.2 - Prob. 7SPCh. 5.2 - Prob. 1PECh. 5.2 - Prob. 2PECh. 5.2 - Prob. 3PECh. 5.2 - Prob. 4PECh. 5.2 - Prob. 5PECh. 5.2 - Prob. 6PECh. 5.2 - Prob. 7PECh. 5.2 - Prob. 8PECh. 5.2 - Prob. 9PECh. 5.2 - Prob. 10PECh. 5.2 - Prob. 11PECh. 5.2 - Prob. 12PECh. 5.2 - Prob. 13PECh. 5.2 - Prob. 14PECh. 5.2 - Prob. 15PECh. 5.2 - Prob. 16PECh. 5.2 - Prob. 17PECh. 5.2 - Prob. 18PECh. 5.2 - Prob. 19PECh. 5.2 - Prob. 20PECh. 5.2 - Prob. 21PECh. 5.2 - Prob. 22PECh. 5.2 - Prob. 23PECh. 5.2 - Prob. 24PECh. 5.2 - Prob. 25PECh. 5.2 - Prob. 26PECh. 5.2 - Prob. 27PECh. 5.2 - Prob. 28PECh. 5.2 - Prob. 29PECh. 5.2 - Prob. 30PECh. 5.2 - Prob. 31PECh. 5.2 - Prob. 32PECh. 5.2 - Prob. 33PECh. 5.2 - Prob. 34PECh. 5.2 - Prob. 35PECh. 5.2 - Prob. 36PECh. 5.2 - Prob. 37PECh. 5.2 - Prob. 38PECh. 5.2 - Prob. 39PECh. 5.2 - Prob. 40PECh. 5.2 - Prob. 41PECh. 5.2 - Prob. 42PECh. 5.2 - Prob. 43PECh. 5.2 - Prob. 44PECh. 5.2 - Prob. 45PECh. 5.2 - Prob. 46PECh. 5.2 - Prob. 47PECh. 5.2 - Prob. 48PECh. 5.2 - Prob. 49PECh. 5.2 - Prob. 50PECh. 5.2 - Prob. 51PECh. 5.2 - Prob. 52PECh. 5.2 - Prob. 53PECh. 5.2 - Prob. 54PECh. 5.2 - Prob. 55PECh. 5.2 - Prob. 56PECh. 5.2 - Prob. 57PECh. 5.2 - Prob. 58PECh. 5.2 - Prob. 59PECh. 5.2 - Prob. 60PECh. 5.2 - Prob. 61PECh. 5.2 - Prob. 62PECh. 5.2 - Prob. 63PECh. 5.2 - Prob. 64PECh. 5.2 - Prob. 65PECh. 5.2 - Prob. 66PECh. 5.2 - Prob. 67PECh. 5.2 - Prob. 68PECh. 5.2 - Prob. 69PECh. 5.2 - Prob. 70PECh. 5.3 - Prob. 1SPCh. 5.3 - Prob. 2SPCh. 5.3 - Prob. 3SPCh. 5.3 - Prob. 4SPCh. 5.3 - Prob. 5SPCh. 5.3 - Prob. 6SPCh. 5.3 - Prob. 1PECh. 5.3 - Prob. 2PECh. 5.3 - Prob. 3PECh. 5.3 - Prob. 4PECh. 5.3 - Prob. 5PECh. 5.3 - Prob. 6PECh. 5.3 - Prob. 7PECh. 5.3 - Prob. 8PECh. 5.3 - Concept Connections When setting up a partial...Ch. 5.3 - Prob. 10PECh. 5.3 - Prob. 11PECh. 5.3 - Prob. 12PECh. 5.3 - Prob. 13PECh. 5.3 - Prob. 14PECh. 5.3 - Prob. 15PECh. 5.3 - Prob. 16PECh. 5.3 - Prob. 17PECh. 5.3 - Prob. 18PECh. 5.3 - Prob. 19PECh. 5.3 - Prob. 20PECh. 5.3 - Prob. 21PECh. 5.3 - Prob. 22PECh. 5.3 - Prob. 23PECh. 5.3 - Prob. 24PECh. 5.3 - Prob. 25PECh. 5.3 - Prob. 26PECh. 5.3 - Prob. 27PECh. 5.3 - Prob. 28PECh. 5.3 - Prob. 29PECh. 5.3 - Prob. 30PECh. 5.3 - Prob. 31PECh. 5.3 - Prob. 32PECh. 5.3 - Prob. 33PECh. 5.3 - Prob. 34PECh. 5.3 - Prob. 35PECh. 5.3 - Prob. 36PECh. 5.3 - Prob. 37PECh. 5.3 - Prob. 38PECh. 5.3 - Prob. 39PECh. 5.3 - Prob. 40PECh. 5.3 - Prob. 41PECh. 5.3 - Prob. 42PECh. 5.3 - Prob. 43PECh. 5.3 - Prob. 44PECh. 5.3 - Prob. 45PECh. 5.3 - Prob. 46PECh. 5.3 - Prob. 47PECh. 5.3 - Prob. 48PECh. 5.3 - Prob. 49PECh. 5.3 - Prob. 50PECh. 5.3 - Prob. 51PECh. 5.3 - Prob. 52PECh. 5.3 - Prob. 53PECh. 5.3 - Prob. 54PECh. 5.3 - Prob. 55PECh. 5.3 - Prob. 56PECh. 5.3 - Prob. 57PECh. 5.3 - Prob. 58PECh. 5.3 - Prob. 59PECh. 5.3 - Prob. 60PECh. 5.3 - Prob. 61PECh. 5.3 - Prob. 62PECh. 5.4 - Prob. 1SPCh. 5.4 - Prob. 2SPCh. 5.4 - Prob. 3SPCh. 5.4 - Prob. 4SPCh. 5.4 - Prob. 5SPCh. 5.4 - Prob. 1PECh. 5.4 - Prob. 2PECh. 5.4 - Prob. 3PECh. 5.4 - Prob. 4PECh. 5.4 - Prob. 5PECh. 5.4 - Prob. 6PECh. 5.4 - Prob. 7PECh. 5.4 - Prob. 8PECh. 5.4 - Prob. 9PECh. 5.4 - Prob. 10PECh. 5.4 - Prob. 11PECh. 5.4 - Prob. 12PECh. 5.4 - Prob. 13PECh. 5.4 - Prob. 14PECh. 5.4 - Prob. 15PECh. 5.4 - Prob. 16PECh. 5.4 - Prob. 17PECh. 5.4 - Prob. 18PECh. 5.4 - Prob. 19PECh. 5.4 - Prob. 20PECh. 5.4 - Prob. 21PECh. 5.4 - Prob. 22PECh. 5.4 - Prob. 23PECh. 5.4 - Prob. 24PECh. 5.4 - Prob. 25PECh. 5.4 - Prob. 26PECh. 5.4 - Prob. 27PECh. 5.4 - Prob. 28PECh. 5.4 - Prob. 29PECh. 5.4 - Prob. 30PECh. 5.4 - Prob. 31PECh. 5.4 - Prob. 32PECh. 5.4 - Prob. 33PECh. 5.4 - Prob. 34PECh. 5.4 - Prob. 35PECh. 5.4 - Prob. 36PECh. 5.4 - Prob. 37PECh. 5.4 - Prob. 38PECh. 5.4 - Prob. 39PECh. 5.4 - Prob. 40PECh. 5.4 - Prob. 41PECh. 5.4 - Prob. 42PECh. 5.4 - Prob. 43PECh. 5.4 - Prob. 44PECh. 5.4 - Prob. 45PECh. 5.4 - Objective 3: Use Nonlinear Systems of Equations to...Ch. 5.4 - Prob. 47PECh. 5.4 - Objective 3: Use Nonlinear Systems of Equations to...Ch. 5.4 - Prob. 49PECh. 5.4 - Prob. 50PECh. 5.4 - Prob. 51PECh. 5.4 - Prob. 52PECh. 5.4 - Prob. 53PECh. 5.4 - Prob. 54PECh. 5.4 - Prob. 55PECh. 5.4 - Prob. 56PECh. 5.4 - Prob. 57PECh. 5.4 - Prob. 58PECh. 5.4 - Prob. 59PECh. 5.4 - Prob. 60PECh. 5.4 - Prob. 61PECh. 5.4 - Prob. 62PECh. 5.4 - Prob. 63PECh. 5.4 - Prob. 64PECh. 5.4 - Prob. 65PECh. 5.4 - Prob. 66PECh. 5.4 - Prob. 67PECh. 5.4 - Prob. 68PECh. 5.4 - Prob. 69PECh. 5.4 - Prob. 70PECh. 5.4 - Prob. 71PECh. 5.4 - Prob. 72PECh. 5.4 - Prob. 73PECh. 5.4 - Prob. 74PECh. 5.4 - Prob. 75PECh. 5.4 - Prob. 76PECh. 5.4 - Prob. 77PECh. 5.4 - Prob. 78PECh. 5.4 - Prob. 79PECh. 5.4 - Prob. 80PECh. 5.5 - Prob. 1SPCh. 5.5 - Prob. 2SPCh. 5.5 - Prob. 3SPCh. 5.5 - Prob. 4SPCh. 5.5 - Prob. 5SPCh. 5.5 - Prob. 6SPCh. 5.5 - Prob. 7SPCh. 5.5 - Prob. 1PECh. 5.5 - Prob. 2PECh. 5.5 - Prob. 3PECh. 5.5 - Prob. 4PECh. 5.5 - Prob. 5PECh. 5.5 - Prob. 6PECh. 5.5 - Prob. 7PECh. 5.5 - Prob. 8PECh. 5.5 - Prob. 9PECh. 5.5 - Prob. 10PECh. 5.5 - Prob. 11PECh. 5.5 - Prob. 12PECh. 5.5 - Prob. 13PECh. 5.5 - Prob. 14PECh. 5.5 - Prob. 15PECh. 5.5 - Prob. 16PECh. 5.5 - Prob. 17PECh. 5.5 - Prob. 18PECh. 5.5 - Prob. 19PECh. 5.5 - Prob. 20PECh. 5.5 - Prob. 21PECh. 5.5 - Prob. 22PECh. 5.5 - Prob. 23PECh. 5.5 - Prob. 24PECh. 5.5 - Prob. 25PECh. 5.5 - Prob. 26PECh. 5.5 - Prob. 27PECh. 5.5 - Prob. 28PECh. 5.5 - Prob. 29PECh. 5.5 - Prob. 30PECh. 5.5 - Prob. 31PECh. 5.5 - Prob. 32PECh. 5.5 - Prob. 33PECh. 5.5 - Prob. 34PECh. 5.5 - Prob. 35PECh. 5.5 - Prob. 36PECh. 5.5 - Prob. 37PECh. 5.5 - Prob. 38PECh. 5.5 - Prob. 39PECh. 5.5 - Prob. 40PECh. 5.5 - Prob. 41PECh. 5.5 - Prob. 42PECh. 5.5 - Prob. 43PECh. 5.5 - Prob. 44PECh. 5.5 - Prob. 45PECh. 5.5 - Prob. 46PECh. 5.5 - Prob. 47PECh. 5.5 - Prob. 48PECh. 5.5 - Prob. 49PECh. 5.5 - Prob. 50PECh. 5.5 - Prob. 51PECh. 5.5 - Prob. 52PECh. 5.5 - Prob. 53PECh. 5.5 - Prob. 54PECh. 5.5 - Prob. 55PECh. 5.5 - Prob. 56PECh. 5.5 - Prob. 57PECh. 5.5 - Prob. 58PECh. 5.5 - Prob. 59PECh. 5.5 - Prob. 60PECh. 5.5 - Prob. 61PECh. 5.5 - Prob. 62PECh. 5.5 - Prob. 63PECh. 5.5 - Prob. 64PECh. 5.5 - Prob. 65PECh. 5.5 - Prob. 66PECh. 5.5 - Prob. 67PECh. 5.5 - Prob. 68PECh. 5.5 - Prob. 69PECh. 5.5 - Prob. 70PECh. 5.5 - Prob. 71PECh. 5.5 - Prob. 72PECh. 5.5 - Prob. 73PECh. 5.5 - Prob. 74PECh. 5.5 - Prob. 75PECh. 5.5 - Prob. 76PECh. 5.5 - Prob. 77PECh. 5.5 - Prob. 78PECh. 5.5 - Prob. 79PECh. 5.5 - A coordinate system is placed at the center of a...Ch. 5.5 - Prob. 81PECh. 5.5 - Prob. 82PECh. 5.5 - Prob. 83PECh. 5.5 - Prob. 84PECh. 5.5 - Prob. 85PECh. 5.5 - Prob. 86PECh. 5.5 - Prob. 87PECh. 5.5 - Prob. 88PECh. 5.6 - Prob. 1SPCh. 5.6 - Prob. 2SPCh. 5.6 - Prob. 3SPCh. 5.6 - Prob. 4SPCh. 5.6 - Prob. 1PECh. 5.6 - Prob. 2PECh. 5.6 - Prob. 3PECh. 5.6 - Prob. 4PECh. 5.6 - Prob. 5PECh. 5.6 - Prob. 6PECh. 5.6 - Prob. 7PECh. 5.6 - Prob. 8PECh. 5.6 - Concept Connections The process that maximizes or...Ch. 5.6 - Prob. 10PECh. 5.6 - Prob. 11PECh. 5.6 - Prob. 12PECh. 5.6 - Prob. 13PECh. 5.6 - Prob. 14PECh. 5.6 - Prob. 15PECh. 5.6 - Prob. 16PECh. 5.6 - Prob. 17PECh. 5.6 - Prob. 18PECh. 5.6 - Prob. 19PECh. 5.6 - Prob. 20PECh. 5.6 - Prob. 21PECh. 5.6 - Prob. 22PECh. 5.6 - Prob. 23PECh. 5.6 - Prob. 24PECh. 5.6 - Prob. 25PECh. 5.6 - Prob. 26PECh. 5.6 - Prob. 27PECh. 5.6 - Prob. 28PECh. 5.6 - Prob. 29PECh. 5.6 - Prob. 30PECh. 5.6 - Prob. 31PECh. 5.6 - Prob. 32PECh. 5.6 - Prob. 33PECh. 5.6 - Prob. 34PECh. 5.6 - A manufacturer produces two models of a gas grill....Ch. 5.6 - Prob. 36PECh. 5.6 - Prob. 37PECh. 5.6 - Prob. 38PECh. 5.6 - Prob. 39PECh. 5.6 - Prob. 40PECh. 5.6 - Prob. 41PECh. 5.6 - Prob. 42PECh. 5 - Prob. 1RECh. 5 - Prob. 2RECh. 5 - Prob. 3RECh. 5 - Prob. 4RECh. 5 - Prob. 5RECh. 5 - Prob. 6RECh. 5 - Prob. 7RECh. 5 - Prob. 8RECh. 5 - Prob. 9RECh. 5 - Prob. 10RECh. 5 - Prob. 11RECh. 5 - Prob. 12RECh. 5 - Prob. 13RECh. 5 - Prob. 14RECh. 5 - Prob. 15RECh. 5 - Prob. 16RECh. 5 - Prob. 17RECh. 5 - Prob. 18RECh. 5 - Prob. 19RECh. 5 - Prob. 20RECh. 5 - Prob. 21RECh. 5 - Prob. 22RECh. 5 - Prob. 23RECh. 5 - Prob. 24RECh. 5 - Prob. 25RECh. 5 - Prob. 26RECh. 5 - Prob. 27RECh. 5 - Prob. 28RECh. 5 - Prob. 29RECh. 5 - Prob. 30RECh. 5 - Prob. 31RECh. 5 - Prob. 32RECh. 5 - Prob. 33RECh. 5 - Prob. 34RECh. 5 - Prob. 35RECh. 5 - Prob. 36RECh. 5 - Prob. 37RECh. 5 - Prob. 38RECh. 5 - Prob. 39RECh. 5 - Prob. 40RECh. 5 - Prob. 41RECh. 5 - Prob. 42RECh. 5 - Prob. 43RECh. 5 - Prob. 44RECh. 5 - For Exercises 44-48, graph the solution set. x ...Ch. 5 - Prob. 46RECh. 5 - Prob. 47RECh. 5 - Prob. 48RECh. 5 - Prob. 49RECh. 5 - Prob. 50RECh. 5 - Prob. 51RECh. 5 - Prob. 52RECh. 5 - Prob. 53RECh. 5 - Prob. 54RECh. 5 - Prob. 55RECh. 5 - Prob. 56RECh. 5 - Prob. 57RECh. 5 - Prob. 58RECh. 5 - Prob. 1TCh. 5 - Prob. 2TCh. 5 - Prob. 3TCh. 5 - Prob. 4TCh. 5 - Prob. 5TCh. 5 - Prob. 6TCh. 5 - Prob. 7TCh. 5 - Prob. 8TCh. 5 - Prob. 9TCh. 5 - Prob. 10TCh. 5 - Prob. 11TCh. 5 - Prob. 12TCh. 5 - Prob. 13TCh. 5 - Prob. 14TCh. 5 - Prob. 15TCh. 5 - Prob. 16TCh. 5 - Prob. 17TCh. 5 - Prob. 18TCh. 5 - Prob. 19TCh. 5 - Prob. 20TCh. 5 - Prob. 21TCh. 5 - Prob. 22TCh. 5 - Prob. 23TCh. 5 - Prob. 24TCh. 5 - Prob. 25TCh. 5 - Prob. 26TCh. 5 - Prob. 27TCh. 5 - Prob. 28TCh. 5 - Prob. 29TCh. 5 - Prob. 30TCh. 5 - Prob. 31TCh. 5 - Prob. 32TCh. 5 - Prob. 33TCh. 5 - Prob. 34TCh. 5 - Prob. 35TCh. 5 - Prob. 36TCh. 5 - Prob. 1CRECh. 5 - Prob. 2CRECh. 5 - Prob. 3CRECh. 5 - Prob. 4CRECh. 5 - Prob. 5CRECh. 5 - Prob. 6CRECh. 5 - Prob. 7CRECh. 5 - Prob. 8CRECh. 5 - Prob. 9CRECh. 5 - Prob. 10CRECh. 5 - Prob. 11CRECh. 5 - Prob. 12CRECh. 5 - Prob. 13CRECh. 5 - Prob. 14CRECh. 5 - Prob. 15CRECh. 5 - Prob. 16CRECh. 5 - Prob. 17CRECh. 5 - Prob. 18CRECh. 5 - Prob. 19CRECh. 5 - Prob. 20CRECh. 5 - Prob. 21CRECh. 5 - Prob. 22CRECh. 5 - Prob. 23CRECh. 5 - Prob. 24CRECh. 5 - Prob. 25CRE
Knowledge Booster
Background pattern image
Algebra
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, algebra and related others by exploring similar questions and additional content below.
Similar questions
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
Linear Algebra: A Modern Introduction
Algebra
ISBN:9781285463247
Author:David Poole
Publisher:Cengage Learning
SEE MORE TEXTBOOKS
UG/ linear equation in linear algebra; Author: The Gate Academy;https://www.youtube.com/watch?v=aN5ezoOXX5A;License: Standard YouTube License, CC-BY
System of Linear Equations-I; Author: IIT Roorkee July 2018;https://www.youtube.com/watch?v=HOXWRNuH3BE;License: Standard YouTube License, CC-BY