3 6 [12] (a) Find the determinant of A. Let A det (A) - (b) Find the matrix of cofactors of A. C = (c) Find the adjoint of A. 8 adj(A) A-1 (d) Find the inverse of A. = = (88)

Q: 6. 2x-y=-6 x+y=-3 4x-2y = -2 2x-y = 3

A:

Q: 24. Find d²4 zP 2. xp 4=3x² +34-8

A: Differentiate two times

Q: 3 State true or false. 125= ±5 512= 6 343 7

A:

Q: Evaluate. (32-22) + 2 O 10 O 10 O 5 O 5

A: use BODMAS to simplify the expression.

Q: 1. Find an equation for the tangent plane to the surface x cos z + yře*z =4 at Po(3, –1, 0)

A:

Q: What is the value of the digit 5 in the number 35,023

A: For any five digit number ab,cde e - ones place d - tens place c - hundreds place b - thousands…

Q: 3. 42P 4-2p-1 =

A:

Q: Solve 4,5,6 thanks alot

A: First, try to visualize the figure and then according to the given question, whether it is revolved…

Q: 3.546 is of 10

A:

Q: There are two more questions pleade

A: I have to answer for part-d and part-e, so i use the previous result .

Q: X-3 x²41 2+

A:

Q: +6/-2 03 -3 O 12 O 4

A: Topic-simplification

Q: Please answer empty boxes in B. & C.

A: Using Excel formula “=T.INV(1-(0.05/2),268)” is 1.97.

Q: 22 \11 30 Q,

A:

Q: 6. x = -2

A: Consider the given question, We have to the draw the graph of x = -2. Since, the graph of x = c is a…

Q: 1 +4 = 5 2 + 5 = 12 3 + 6 = 21 8 + 11= ?

A:

Q: -15- +20 O 35 O 5 O -35 O-5

A: -15-(+20) = -15(-)(+)20                   =-15-20

Q: what two numbers mulitplied give you 225

A: Given that , the number is 225. Note that, the number 225 is perfect square of 15. The prime factors…

Q: solve 28

A:

Q: Evaluate. 7+8-32

A: We have to evaluate the given expression =7+8×32

Q: +6 +-5--4 O -5 O 4 O 3 O 5

A: (+).(+) = + (+).(-) = - (-).(+) = - (-).(-) = +

Q: Can you please answer 6 and 10 and show Word please ?

A: Given below the detailed solution

Q: -10 -10 O 10 O -10

A: we know that  --x=+x here x=10

Q: 8-6*4+10/2=

A: 8-6*4+10/2

Q: 55. * = 2

A: To Show ∑n=1∞n2n=2

Q: What does 42 =

A: 4^2 means  4×4

Q: Use the digits 3,7,8,9. Write all the 4-digit numbers greater than 7000 and less than 8000.  Order…

A:

Q: 48" 17

A:

Q: 58 22

A: We have to find the value of x.

Q: I know that C(x) = 420 + 2.10x and R(x)= 4.90x. However, in relation to number 5 (v). How do you…

A:

Q: Is 3 an even number

A: An integer n is said to be even if n=2k for some integer k and an integer  is said to be odd if…