1 -2 4 -2 3 If A = 3 4 -1 and B -1 8 0 find AB. -2 1 3 6. 1 2 ? ? ? ? ? AB ? ?

Q: 71-3 Let B= Find -4B. -562 -4B = 0

A:

Q: aj = 9 and an = - — Зап-1 5 then find the value of a5. -

A: Given query is to find the value of a5 .

Q: -5 -19 5 A = 4 В — -19 -4

A:

Q: 3 1 If A-1 find A. 4 2 II

A:

Q: Let A = -4 2 [33] - 3 - 4 Find - 2A. - 2A =

A:

Q: An acute angle, 8, is in a right triangle such that sin 8. 10 10 5 6 1 What is the value of cot 8?

A: The acute angle θ is in right angle triangle such that:sinθ=56

Q: 12. Simplify. 6m? + 13m – 5 9m? – 4 8m? + 16m – 10 6m2 + m – 2

A:

Q: Find A+ B. 7 9 9- - A = B = 1 9 3 -3 |

A: Topic = Matrices   To add two matrices A and B , just add the corresponding entries, and place this…

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: Find A. 6 -2 (4A) 1 = -2 1. A 3= Need Help? Read It Watch It

A:

Q: Find, if possible, (a) AB and (b) BA.

A: We know the order of a matrix is defined as  ---->  m x n where, m = number of rows…

Q: A=−1 2 −1       4 5 4      −3 5 3 B=  0 1        2 5      -2  0   what is AB??

A:

Q: An art teacher needs to buy at least 60 brushes for her class. The brush are sold in packs of 8. In…

A: Here it is given that,  Number of brushes = 60 (at least) Number of brushes in 1 pack =8 minimum…

Q: Find, if possible, (a) AB and (b) BA.

A: (a) Consider the given matrices A and B. As the number of the rows is equal to the number of columns…

Q: -6 -3 -4 -5 A = 1 and B = 3 1 6

A:

Q: 1 Determine the values of a, b and c if: 2(a,b,4) +(6,8, c) – 3(7,c,-4) = (-24,3,25)

A: We can solve this as follows:

Q: AfA= 3 1-2 3 3 60/ and A + 9B = B= 4 4-5 -3 6 4 ? ? ? ?? a what is the value of the element a?

A: This is an question of summation of two matrix. The problem is solved by adding the matrix and then…

Q: *(2 + 16) (a + 8)(x + 4) 16 where z # a + 8 Submit Question

A:

Q: 1 4. Given A=) 2 2 1 a. A + 2B b. 3A-2B and B = -3 4 -2 2 find

A:

Q: A.B? B.A?

A: Given that,A=-9-411 and B=-6-829.   Obtain A·B as follows. A·B=-9-411-6-829      =-9-6-4-8+12+49…

Q: -3 1 -3 -2 A = B = -1 1 2 -2 Ex: 42 7 AB = АВ -5 2.

A: Given:        A=0-3-2-121        B=-310-12-2    Multiplying Matrix A and B   AB=0-3-2-121·-310-12-2

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

A: