8) Find BA -5 B = -7 -8 3 A = -6 6. 6 4. #7 #8 Is AB = BA ?

Q: Simplify the following expression 5 ( 2 * - 3 i) - 4 (4 + 6 i) (d) - 6 - 39 i O (b) 6 + 39 i O (c) -…

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Q: -p 5a If det p 9 = - 17 then det -9 56 5c

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Q: 6. 3c2 - 5c for c = 3 76 8. 5a 3b + 5 for a = 4 andb 3 %3D

A: To find the values of the given expressions (6) 3c^2-5c at c=3 (8)5a-3b+5 at a=4 and b=3.

Q: How many are in A or B?

A: According to given figure total numbers in A and B will be nA=15+3+5+2=15+10=25nB=3+5+2+10=10+10=20

Q: C A If CA = 5x + 5 and EA = 10x - 20, find CE. %3D O 60 O30 O 10 10

A: To find the CE

Q: f|a*| = 12, what is the order of a?

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Q: 2. If x = -2, the value of the expression 3x? - 5x + - is - (pp. A6-A7)

A: 3x2-5x+1x Put x=-2, we get 3x2-5x+1x=3-22-5-2+1-2=12+10-12=22-12=432

Q: (+0.15) (-0.125)

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

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Q: If Sara started at her house (4, 5) and walked to the grocery store (6,-4), how far (in kilometer…

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Q: If possible, find AB, BA A² AB A² = A-3 3-10 C BA= [

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Q: Next Ques 47 If A= -1 find AB -42-5 2-2 47 AB= (Simplity your answer) -1 -42 -5

A: Solve the matrix

Q: Find each difference

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

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Q: y+8÷7.c÷2 (y = 4, c= 9)

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Q: Simplify the expression (5- 4)(/5+6). 2/5+1 b. - 19 C. 3/5- 24 d. 2.5- 19

A: We have to simplify the expression ( √5 - 4 ) (√5 + 6 ) .

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: Which expression is equivalent to V6x 3, Your answer: 6°xy 15,,18 O 6x5y5 1. 3,,6 O 6xy 31 5,5 65

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Q: How many are in A but not C?

A: Given: A=15, 3, 2, 5B=3, 5, 2, 10C=2, 5, 2, 15

Q: Differentiate y 5V (In5)•5v 2 Va O a. b. O b. a (In5) 5V c. 2 VE O d. (In10) 10 2 V

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Q: Simplify the following under Zs and Z7. (-4) + a. 3 -2 b. 3-1 -5+(-11) C.

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Q: Find -9 + -3 + 3 +9 + 15...+51. a. 231 b. 384 C. 312 d. 385 е. 296

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Q: -3 9 -2 C = 9. -8 А- B = -7 -7 -6 Ex: 42 AB + AC = A

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Q: I need help

A: When written side by side it means addition.

Q: 2x x– 3)² A = 6, B = 2 A = 2, B = 6 A= 2, B=-6 A=-2, B -6 A= -2,B 6 None of the Above Other:

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Q: If a b=2a- 3b+1, what is 3 (-1)? a. 4 b. 10 C. 8 d.-1 b

A: Compare 3*(-1) with a*b, a = 3, b = -1.

Q: a Let c d l=- 4, then – 4, then ba = ? d c -4 12 4

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Q: 6. Which algebraic expression is equivalent to the expression below? 8(5x +9) + 12r - 11 A. 52r+ 72…

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Q: a. x + 5x + 6

A: here the first question is  a) x2+5x+6 we have to write above expression as a product of two linear…

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: 3.) Simplify:-4-3+7.5 a. 6.25 b. ! C. d. 0

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Q: 2. Find m2C 28 18 15 12 +8

A: Given- a=12, b=18, c=20 To find m∠C. Here we will use cosine rule which is as follows-…

Q: Replace R, by (-5)R, +R2. 14 3 -2 5 1 4. 8. (- 5)R, + R2 -25 2. (- 5)R, + R2 =

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Q: what is the difference of A and B if A={ 14 6 7 8} and B= {1 7}

A: This question is based on set. Difference of A  and  B  = A - B means element of  A  which is not…

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: 10. Adam and Benson had some money. If Adam gave Benson ($30, Adam would 3 have as much money as…

A: Let us assume that Adam have $ A money and Benson have $ B money.

Q: b. If a o b = a + 2b and a * b = a´ - b, find (203) * 4. %3D c. If a * b = a´ - i. (405) * 6 ii. 4 *…

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Q: ニ -1 -4メ + 4y -2メ + 2y -32 - 3 3メ + 1y -32 + 14 3. %3D

A: Note: You have posted multiple questions, we have solved the first question for you, if there is a…

Q: Select the correct answer below: 0 (-6,-2) 0 (0,-2) (-18,-4) O (0,4) O(-6,-4) (-18.4) 200 Б 3

A: Here we have two vectora u and w . Need to perform indicated vector operation.

Q: 2s L-1 ;2 – 3 | 2 cosh9t .b бсosh9t .c 2 cosh3t 3. .d бcosh3t || 3.

A: