Compute det A, det B, det (AB), and det (A + B) for -2 1 2 +*+ A = -3 -1 -4 4 −1 3 det A = det (AB) = 2 -3 B = -1 -3 -3 2 1 7 det B = det (A + B) =

Q: verify that3(AB) = (3A)B = A(3B)

A: Given matrix

Q: -1- xy(3 + x)-x²y + 10r

A: Given -1-xy(3+x)-x2y+10x

Q: Which of the following is equivalent to (1-x)(1+x) - 3x (2-x)? A. 3x² - 6x +1 B. -3²-7x + 1 C.-4x² -…

A: Recall: (a+b)(a-b)=a2-b2

Q: (9y² + y - 7) + (7y² -y-4) = ]

A: We have to add 9y2+y-7+7y2-y-4

Q: 3 Let A= (MA-|| _23]~B-[2²] and = 6-9 -4 -6 Find - 2A + 2B. - 2A + 2B=

A:

Q: Let A = [-2  6]              [2   8] Find 3A.  3A =

A:

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

A: Solution

Q: Compute: [-4 4 2 -5 2 [42] 3 2] 31

A:

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: Which of the following is equivalent to (1-x)(1+x) -3x(2-x)  A. -4x2 - 6x + 1  B. 2x2 - 7x + 1 C.…

A: Given expression is (1-x)(1+x) - 3x(2-x)

Q: a+2b+4c+3d=21 -3a+4b-2c+3d=-1 a+6c+3d=-19 3a+4b-3c-2d=16

A:

Q: Find A. A = (2A)-1 [ -1 -2 2 2

A:

Q: If B = 101 -2 2 2 -2 -2 -1 then det (B5) =

A:

Q: Simplify (3x³ + 5z − 1) ÷ (x + 1) O 3z² + 3z +8+- O 32³-32² +8z-9 3x³ +3z² +8z+7 O 32²- 3z +8-7271

A:

Q: Given that 3x - 5 x²(x - 1) = A B x x² + C + x for some constant real x-1 numbers A, B and C. Find…

A:

Q: Find a + b, 2a + 3b, lal, and la - b|. a = (4, –3), b = (-2, 5) a + b = (9,2) (2,9) 2a + 3b =

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: 5 Which of the following is the standard equation of the ellipse with vertices at (1, 0) and (27, 0)…

A: To find the standard equation of the ellipse

Q: X1 X2 X3 -3X1 = - X2 + X3 = −6 5X3 2X1 + 4X2 - 2×2 + 3X3 X1 7.000 = = 50 = - X1 X2 X3 우 5

A:

Q: 3 5 9 Let A = 1 and B = - 1 4 0 Find - 3A + 2B. - ЗА + 2B %3D

A: Thanks for the question :)And your upvote will be really appreciable ;)

Q: (1+5h-3h²)-(2h²+4h-7)

A: We will solve the following

Q: Prove that if 8x-5=-2x-15 then -x=1

A:

Q: S + (2 + ² + 2)²³² de 호 t

A: Given, ∫t2t2+2-12dt

Q: X=6{2+3[2(8-3)+(4+1)-2]}

A: Given,          x=62+328-3+4+1-2

Q: 4(x+3)+1=5(-6-1x)-2

A: 4(x+3)+1=5(-6-1x)-2 4(x)+4(3)+1=5(-6)+5(-x)-2 4x+12+1=-30-5x-2 4x+13=-5x-32   add both side by 5x…

Q: -4 -! - 2 -2 2 -41 Compute: 1 4

A: NOTE: Refresh your page if you can't see any equations. .

Q: - 7 (-v3-1+5u2)

A:

Q: Add (4x4−8x2+5x−6) and (3x3−7x2+18)     A. 7x3−15x2+5x+12 B. 4x4+3x3−15x2+5x+12 C. 4x4+3x3−15x2+12…

A: