Solve: y' + 7y +9y' +9y=0 y(x)

Q: 13. Calculate (k-j). j=2 k=5

A: The given series is a finite series we can solve this by expanding.

Q: (a) What is wrong with the following “proof” that the sum of two even numbers is a multiple of four?…

A: Mistakes in the proof and counter example is given .

Q: Find the domain, range and graph it. f(x, y) = 2x+3 √y-x-2

A: The function f(x,y) is a rule that associates or fixes a number to the particular point x,y. If…

Q: the difference equation y(+2)-(n+1)-(n)=x(n). -{(?). (n)= n≥o n20 and initial conditions (0)=0,…

A: The difference equation given is as follows: yn+2-16yn+1-16yn=xn,  n≥0 With, xn=12n,  n≥00,  n<0…

Q: Let A be an n × n matrix and let B = A − αI for some scalar α. How do the eigenvalues of A and B…

A: To check that (eigenvalue of A- alpha) is an eigenvalue of B.

Q: Solve for the values of a, b, c, & d in the following System of Linear Equations using Gaussian…

A:

Q: Find the exact area between the graphs of f(x)=e* - 1 and g(x)= 3x -4 between x = -1 and x = 2. O…

A: Area using integration

Q: Find and classify the critical points of z = (x² – 3x) (y² – 4y). Local maximums: Local minimums:…

A: The given problem is to find the critical points of the given function and also to classify the…

Q: We are using the simple model for floating point representation which is a 14-bit format, 5 bits for…

A:

Q: 10. Find the solution to the initial value problem (2y − 2)y' = 3x² + 4x + 2 with y(1) = -2 using…

A:

Q: Cis an arbitrary constant. The general solution of the DE dy dx = 2x/y is A. none of these B. y² −…

A:

Q: 1. Find the general solution to the DE ye ²x dx - (4+e ²*) dy = 0 2x 2x using two (2) methods with…

A:

Q: Find the vectors that satisfy the stated conditions. NOTE: Enter the exact answers using the…

A: A vector is a quantity that has both magnitude and direction. In general, vectors are represented as…

Q: 4.1) (L4) Show whether ((p ∧ (p→q)) ↔ ¬p) is a tautology or not. Use a truth table and be specific…

A: As the questions are not interrelated, they are treated as different questions. According to our…

Q: dy dx True False 2 __? cosx+y? + −y= -x² COS .y² X - is a Bernoulli Equation.

A:

Q: If st", find 08/0t, as/Ou.

A:

Q: y" - 4y + 4y = 0, y(0) = 8.1, y´(0) = 3.!

A:

Q: A woman has a total of $11,000 to invest. She invests part of the money in an account that pays 10%…

A:

Q: 1 (a) Is Σ 1 n n+1 n=1 plain your answer! conditionally convergent or absolutely convergent? Ex-

A: Series and sequence, telescoping series

Q: xt' + (t")3 = Và +5 x (3y')² ex² - y² = = (4x²y³ + y)²¹ y" 4 (cos x)² - y"

A: xt'+t''3=x+54 Order= highest order of derivative of t           =2 degree=3 Type ( ODE/PDE)= ODE…

Q: 2. Carefully sketch the set of points in the complex plane defined by {z: |z−2−i| ≤ |z−1−3i|}.

A:

Q: 4. When using a numerical method to approximate the value of an integral, we expect there to be some…

A: Note: As per the our guidelines we can anser only three subparts.

Q: The rate of inflation for 2018 was 2.4%. Did the price of Arizona Diamondbacks tickets exceed the…

A:

Q: 3. How many 4-digit positive integers are there that are even or contain no O's?

A: Suppose that ,   A -  denotes the 4 digits positive integers that are even. B- denotes the 4 digits…

Q: Verify that the indicated function is an explicit solution of the given differential equation.…

A:

Q: Use the Jacobi and Gauss-Seidel Method to solve the following System of Linear Equations. Use x₁ =…

A:

Q: TRUE OR FALSE In each case, explain or prove your answer. R2 is a subspace of R3.

A: A subset W of vector space V is said to form a subspace of V if: for u,v∈W, we have u+v∈W u∈W and…

Q: Determine whether the statement is true or false. If the statement is false, make the necessary…

A: Given Statement: 'An equivalent form for a conditional statement is obtained by reversing and…

Q: (b) (c) (d) (e) dy=3x²(y-1) dx dy_y+2 = dx x+1 dy dx -+e*y² = 0 dy dx -= cos x tan y hotnes

A:

Q: Given z = f(x, y), Zu(4, 3) = x = x(u, v), y = y(u, v), with x(4,3) = 5 and y(4, 3) = 2, calculate…

A:

Q: 5. Simplify the expression using a Pythagorean identity: 6. Simplify the expression using a…

A:

Q: 1. At a certain university 523 of the seniors are history majors or math majors (or both). There are…

A:

Q: dy 4. = dx (sin x) cos y (a) y(0) = 1 (c) y(3) = 3 4 2 -4 -4 (b) y(1) = 0 (d) y(0) = -5/ 2 -2 y 2 4

A:

Q: 22. 15 ft 16 ft 17 ft 16 ft

A:

Q: Differentiate implicitly to find dy/dx. sec(xy) + tan(xy) + 7 = 16 dy dx || X

A:

Q: Every combination of v = ( 1 , -2, 1 ) and w = ( 0, 1 , -1 has components that add  to __ . Find c…

A:

Q: Select an answer -3 -7 -10 -9 10 -9 TELE -2 -3 10 8 -4 -5 -1 6

A: Since you have posted a multiple question according to guildlines I will solve first (Q4)question…

Q: Find the Fan Cost Index for the New York Giants.  Team    Ticket    Soft Drink    Other Drink    Hot…

A: Answer)  Given that: Tickets $123.40 Soft Drinks $3.00 Other Drink $9.50 Hot Dog $6.00…

Q: 2) Let G = V4.Show which of the following subsets of G is a subgroup of it? a) H = {e, a} b) K = {e,…

A:

Q: Evaluate the limit. lim ||A||-0 Δ ο Σ. (x - x;) Δx, where i = 1 and Ax = - 1 n where x, = an n…

A: Given,               lim∆→0∑i=1nxi2-xi7∆x,  Where xi=1n and ∆x=1n.

Q: solve the differential equation using integrating factor. ((y(e^xy))+sin(x)) + (dy/dx)(e^xy)x = 0

A:

Q: If ab is algebraic over F and b≠ 0, prove that a is algebraic over F(b).

A: It is given that ab is algebraic over F. then there is a minimal polynomial for ab over F. Let gx be…

Q: 1. For any integer n, the quantity 3 (n² + 2n + 3) - 2n² is a perfect square.

A: We need to show that for any integer n following quantity is a perfect square: 3(n2+2n+3)-2n2

Q: PROBLEMS, SECTION 1 1. If u = 2²/(x² + y²), find au/ar, du/dy.

A:

Q: Using ordinary interest, 360 days, calculate the missing information for the simple discount note.…

A:

Q: M In³ + (n + 1)³ > (n + 2)³ GEGECS

A: Let p(n) be the statement 'n3+(n+1)3>(n+2)3'. 13+23=9 ≯27=33…

Q: (d) (e) dy + e*y² = 0 dx dy dx -= cos x tan y

A:

Q: If p is a prime, prove that xp-1 - xp-2 + xp-3 - ... - x + 1 is irreducibleover Q.

A:

Q: think there is a mistake in the last part. It says B epsilon (x) subset =B r(x). It supposed to be B…

A:

Q: Evaluate the given integral, where is the circle with positive orientation: #1. Sc dz, C: Iz + il-2…

A: Value of the complex integral