Show that B is the inverse of A. To show that B is the inverse of A, we need to show that AB = I = BA. 10+ -2+ -1 A = - [ 3² ]- B - ( -5 -²] 2 1 95 = -9 2 21 5 -1 - [B][-]- 95 -9 2 AB= BA = = 5 -1 [53]- -9 = 45 + 10+ -18 + -9 + 5+ -9 + = 81

Q: Evaluate if x=4,8,3,-2 ∑x ∑x+1 ∑(x+1) 3∑x - 4

A: Given that  if x=4,8,3,-2

Q: The coefficient е со of x in 8x 5x +2x + 7

A: Given 8x3+5x2+2x+7

Q: Find the inverse of AB if -1 -4 A-¹ = and B-1 = 0 -3 -1 3 -3 3

A:

Q: 1. Simplify the following 2x 6x³ ÷ x+1 x²-1 a. b. (x +(2+√3)(x − (2+√3)

A:

Q: Find a11 of A-1 Find a12 of A-1

A:

Q: Find A + 0. 3 -7 0 0 0 = 0 0 A = %3D 8 -9 A+0 =

A: Given that two matrix and we solve use the addition rule of matrix and find (A+O).   Here i attached…

Q: If  A= [ 1  3  1 ]        And     B= [ 4  4  -4 ]      [ 3  1  2 ]                          [ -4  0…

A: AB=

Q: verify that A + B = B + A

A:

Q: Find the inverse of AB if A-1 and = -5 -1 5 -1 1

A: we need to find (AB)-1 from the given data.

Q: 3) 3x+1=243

A: The given equation 3x+1=243. We have to find the value of x.

Q: Solve for X. 3 3 -97 = 2X + 3 8 -5 -5 7 -2 1 -1 6 4 X =

A: Use scalar multiplication of matrix and addition of matrix to simplify it.

Q: how does the a in the second row become a 0

A: It is given that the row operations are performed on matrices as, 010-10a0-a0~01a-10a000~-10a010000…

Q: Let B = [-1 1 4 -3] Find -4B

A: Solution

Q: Find the inverse of AB if = -B R 1 14 A-1 and B-1 = (AB)-¹ = 3 -2 3-4 4 1 (88)

A: Given:We need to calculate (AB)-1. This can be calculated as follows:

Q: x+6 x+5 + = 8 2 3.

A: Simplify the rational expression as follows, The common factor of the denominator is 6. So, multiply…

Q: Find A + B. [-3 3 -91 A =7 6. B= 5 4 2 4 6 8 4 2

A: To find A+B

Q: Simplify x2 – 9x + 20 x2 + 10x + 21 x² – x – 12 бх + 42

A: To simplify the following expressions .

Q: - (2x – 1)(4x² + 2x + 1)

A:

Q: 3. Simplify (x+ 2)(x2+3x- 4).

A: (x+2)(x2+3x-4) = x(x2 + 3x - 4) + 2(x2 + 3x - 4) = x3 + 3x2 - 4x + 2x2 + 6x - 8 = x3 + 5x2  + 2x…

Q: let A= [2 4]     B= [-3 0]    C= [-1 -2]            [-3 8]         [4 -1]           [3 -4]…

A:

Q: Find the inverse of AB if 5 -1 A-¹. and B-1 = -5 -5 5 4 [84] 0 -1 (AB)-¹ = E

A:

Q: 3.9b + a3 + 27 - 3a2 + 5a3 - 2a2 + 2.1b + 7

A:

Q: Find the inverse of AB if 5 -4 A-¹ and B-1 = = (AB)-¹ = -2 -4 14 -5 2 ]

A:

Q: The conjugate of 7/2 + 5 is

A: The complex conjugate of an imaginary number is the number with same magnitude and same real part,…

Q: Then where a11 where C11 = a12 = C12 = a21 = C21 = a22 C22= A 1 = (§ 8), B= ( − 4 ³ ) ,0 = (1 ²).…

A:

Q: Simplify 5V3+2v27x. (5a +2)v3z 3v24x O 7V30x4 (5x +6)v3z

A:

Q: Add (10-5i)+(2+3i)

A: We can find the addition as below

Q: 2p2 – 7p = 14   p = (7 +  \/273)/4                             b.      p = (-2 +  \/14)/7   p =…

A: We have to simplify the expression 2p2-7p=14.

Q: O PLU of A -2 3 -6 9 1 3 A = 2 3 1 4 1 1 -2 2 -2 which Ronis are switched ?

A: In this we do change the given matrix in echlone form.and find a matrix which has rank 4.

Q: Is -2=5 and 5=-2 the inverses of 5 and 2?

A: The additive inverse, also known as the opposite or negation, is a fundamental concept in…

Q: Find the inverse of AB if 22 A and B-1 (AB)−¹ = = 5 3 2 -3 1 2 00

A: Recall: AB-1=B-1A-1

Q: Find the solution for 3/4 - (-6/12)

A:

Q: Suppose an = 5an-1+4an-2 – 3an-3 and a4 = 22, аs — 127, and ag = 717. Find a1, a2, and аз. ai = a2 =…

A:

Q: 1 -2 7- Find the inverse of 3 -1 4 -3 -7.

A:

Q: On simplifying (a + b- 3) – (2b – a + 3) + (a - b + 3) the result is 3a - b- 3 a + b-3 3a - 2b - 3 a…

A:

Q: Find the inverse of AB if A-1 and -3 2 1 3 B-1 = -3 4 02 (AB)-1= [88]

A: Given: To Find: To determine .

Q: Determine the values of (√3+ i)6 and (1 - i)8, writing your answers in a + iy form.

A: In this problem we have to determine the values of  and .

Q: c. ( - 1 - 2 - 2 ) : ( - 1 - ₁ ) × (1 - 1) = C. 5 3 16 2

A: Concept: A situation is represented using mathematical symbols, variables, and arithmetic operations…