Let A=  2 5 -3 1 and B=  4 -5 3 k . Find k such that AB = BA

Q: Let ā and b = .Find —ӑ — 6. .Find - ӑ > ||

A: We will find -a-b as following.

Q: 6. Find AB – C given: [-15 25 A =| 41 32 45 B =|-24 -371 52 -48 -31] 21 [-100 25 -89 -28 34 -2 -98]…

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Q: . If an+2 = 6an+1 - 8an + 3 and ao = 3, a1 = 7, then a6

A: We have to solve given problem:

Q: If a = (-1, 1, 2) and b = (1,3,1), then which of the following gives |a - b|? Select one: O√9 O -√9…

A: This question is related to vectors, we will solve it using given information.

Q: Let Find M13 and C13. M13 = C13= ND MI A = -1 -3 0 0 7 1 8 8 9 4 5 0 -6 7 -6

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Q: and B = . show that 3 -1 4] (A + B)² # A² + B² + 2AB If A =

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Q: antip . Prove that 4" -3"-7 is a multiple of 84 for each positive even m.

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Q: if N {A} = 25 and N {B} = 31 and N { A n B } = 20 find n { A U B }

A: Given that n{A}=25 and n{B}=31 and n{A ∩B }=20   We have to find n{A∪B}  . We use the union property…

Q: 7. -1 Find KL 7. 12

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Q: Show that (A¹)¹ = A for: A 4 3 3 2

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Q: Let w be defined as 2 more than the number of digits in the integer w. For example, 15 =4(2 digits…

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Q: Prove that A2=I.

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Q: If c = (−3, −5) and ♂ = (–2, −6), find |4č – 2.5d|. O √74 O √146 O 7√5 O 8√6

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Q: Simplity. Assume all exponents are positive integers. 35n 45x² 2. 35n² 25x 1. 4. p²-3p-54 p-9 5.…

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Q: a a + b Determine all values of a and b so that belongs to а 1 3 1 Span 1

A: We have

Q: In³ w 3 w√In²w-4 mp

A: Given :∫ln3wwln2w-4dw

Q: Which of the following is equivalent to 3 - V2 O A. V2 А. O B.-V2 3- V2 O C. 3+ v2 O D.

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Q: 2. For a positive real number b, the value V-b =

A: The given expression is -b

Q: Let A = {1, {b}, {1, b}} a. Place an e or in the blank to make each of the following statements…

A: ● Let x be an element of a set A , then its denoted as x∈A .● If All elements of a set B is present…

Q: If ả = (–4, −8) and ☎ = (–2, −6), find |2.5ả – 36|. O 20 O 2√5 O-6 O 4√2

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Q: 4. If x # -4, which of the following represents 2x² + 14x + 24 in simplified form? 2x + 8

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Q: - 14 2 Let B = Find B. 6 0

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Q: Suppose that x, y and z are three positive numbers whose sum is 100 If P denotes the product of the…

A: Given,           Suppose that x,y and z are three positive numbers whose sum is 100.           Also,…

Q: Let a = (5, – 3, 6) and b = (5, 3, 4). (a – 6) × (ã + 6) -| X (a +

A: Given: a→=5,-3,6and b→=5,3,4

Q: Find the value of K by determines. |1 2 3 0 1 2- |2 1 3 3 4 3 kl

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Q: prove the following statement.

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Q: K Evaluate. b √3x³x 1²³x²0x=0 a

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Q: Let A, B, and C are three sets, prove that Bx(AUC)=(B× A)U(B×C)

A: "Since you have posted multiple questions, we will answer the first question. If you want the…

Q: 5 -1 2 Let D = Find -4D. | 0 -6 7 -4D = %3D

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Q: 3) Find integers x and y such that 13x + 15y = 1.

A: We see, 15 - 13 = 2              => k(15 - 13) = 2k for any integer k              => 15 k -…

Q: - 12 dt = t2 +t – 2

A: We are using integration after decomposing it into partial fraction form

Q: Let a be a real number. For 1 A = 2 - fınd A² . a -2 – 2a 4 + 4a 2a? – 4 -2 | - None of the others…

A: First option is correct. See the attachment.

Q: (a2xdx а. 2a2x + C 2a²x b. + C In a 1 a²x + C 2 In a d. None of the above C.

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Q: 2. Find A if (A-1-21)² = -2 = -21]

A: Basic properties of matrix are used

Q: В Calculate A and B so that + %D 1+x 1-

A: