If A= 1-3 -3 5 and AB = -1-95 -1 11 5 determine the first and second columns of B. Let b₁ be column 1 of B and b2 be column 2 of B.

Q: Let a = - 2ỉ - 4j – k and b = 4j + 2k. Find — ả + b. V

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Q: Multiply. 3v 4v +2 6y +3 y /12

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Q: If 23 + 33 = d and -i + 53 = 6b, express i and y in terms of å and b.

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Q: 4. Simplify 3(8z+2y). O 24z + 2y 24x+2y D24x+6y 30z +y 30cv

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Q: Suppose an -6a, 1+ lan 2 - lan 3 and a4 34, as = -211, and as 1305. Find a1, a2, az. %3D %3D and

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Q: Add. (7y +y- 5) + (5y² - y -6) (7y? + y- 5) + (5y² - y-6) =D (Simplify your answer.)

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

A: AB=

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

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Q: az If b b2 b3 = -2, find C2 C3 a1 - a3 a2 bị - b3 b2 bz. C1 - c3 c2 C3

A: Given,  a1a2a3b1b2b3c1c2c3=-2

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

A: Solution

Q: Add. (-9 + 5x6 + 6x4) + (6x6 - 2x4+7) O 11 + 4x6 - 2x² -3x6 + 3x4 + 13 11x6 + 4x4-2 O 4x² O 13x10

A: Add:- (-9+5x6+6x4)+(6x6-2x4+7) Sol:- -9+11x6+4x4+7 11x6+4x4-2 So, third option is correct.

Q: = Let A = 9 -6-1 Find 4A + 3B. 4A + 3B = 7 and B = -2-5 7 8 (...

A: We will find the required.

Q: Find the rank of A = ( 1   -1   2   3)                                       2  6  -8   1…

A: Rank of Matrix : It is the Number of Non Zero rows in reduced row echelon form.

Q: Multiply. (3ử– 6u+4)(5u-7) -би+ | Simplify your answer.

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Q: Every row operation is reversible. O True O False

A: Every row operation is reversible.

Q: B бх +7 4x -3 A4 Зх + 16

A: Answer

Q: Find the set (A∪B)∩C if A={0},B={1,2} and C={−1,0,1,2}

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Q: 9. Solve for the values of a, b, c, & d in the following System of Linear Equations using Gaussian…

A: Given the system of linear equations                      2a+3b+4c-5d=-6…

Q: -5,-12, -19,-26, .. A а, 3-5n + 1 %D a n = -7n + 2 а, 3D-7п - 12 a 72 D a, = 7n – 12 %D

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Q: Let A = 0 5 8 - 3A + 2B = -9 Find -3A+2B. and B = -93 92 C...

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Q: If a = [1, 2]  and  b = [2, 7], find a + 2b.

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Q: Do the points (1, 5, −7), (1, 7, −10), and (1, 8, −13) lie on the sameline?

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Q: Divide 2x - 8x - 10 x - 3x -4 5x + 5x - 20 x² - 7x + 12 2x - 8x - 10 x- 3x-4 (Simplify your…

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Q: Match the graphs to their equations (y + 3)? (x – 3)? +1 4 1 (y – 3)² (x – 3)? 1 a v %3D 4 1 – 3)?…

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Q: sinh e Incot3x h- dx St 1+9x²

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Q: An= -An-1+12An-2; A0=2; A1=16 Calculate A3

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Q: The table shows the movement of a stock for 30 randomly selected trading days. "Up" means the stock…

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Q: Find a × b if b = (–6, 9, —15) and à = (4, −6, 10) (-3,-2,0) (0,0,0) (1,-1,-1) (-24,-54,-150)

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Q: If a = (2, -1, 4) and b = (8, 2, 1), find the following. a × b = -9,30,12 X bx a = -9,- 30, - 12

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Q: Suppose an = -3an-1 a1 = a2 = a3 = 2an-2+ 6an-3 and a4 = -17, a5 = 53, and a = -167. Find a₁, 92,…

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Q: Find the value of a, b, and c if (a+b)(a+b+c)=21, (a+c)(a+b+c)=35, and (b+c)(a+b+c)=42.

A: First we need to make some equations and the we have to simplify them in order to get a, b and c.

Q: 18-7х b. 5-6х 5x+9y 7у-12х 3+11х 2. 5х-2у 5х-2у -6х+5

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Q: Simplify. −x²³y² − 4x²y² + xy² -7x³y² +5x² - 2x³y² O-9x³y2²-4x²y² + 5xy² O-14x³y²-4x²y² + 5xy²…

A: Simplify

Q: Find whether A and B are independent in the following cases : (AB) = 256 ; (aB) = 768 ; (AßB) = 48 ;…

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Q: If a and b are positive numbers, then Va + b² # a + b.

A: Solution: Consider the given numbers a and b are positive numbers and we need to prove that a2 + b2…

Q: Find the LCD of 4x²y³ and 7 6x¹y³6

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Q: 2 A B = 8

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