Consider the following. Find Av. Av= 7 1 10 -1 -HD] 1 1 1 - [3 A = Complete the following statement. Since Av # 0, v is not 9 -1 in null(A).

Q: Evaluate if x=4,8,3,-2 ∑x ∑x+1 ∑(x+1) 3∑x - 4

A: Given that  if x=4,8,3,-2

Q: Show by an example that (AB)" B™A".

A:

Q: Let A = 4 (15). 5). What is the (2, 1)-entry of 4-12 6 7 ℗ INPUT HELP

A:

Q: 3. Let A = {1, 2, 3}. What is |A|?

A: If A = {x,y,z}  |A| = sqrt x^2 + y^2 + z^2

Q: so-Z of what is 21

A:

Q: Prove that A2=I.

A:

Q: 1 0 7 -2 -2 2 land B =| 4 12 6 5 9 -2 evaluate -2A+B.

A:

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: 1 Ita Į = ab

A: The objective is to show that, 11111+a1111+b=ab

Q: If then A-1 - # 用 A = 1 5 -4 -9 0 0 1 4 -2 0 0 1 0 3 1 , 田

A: By Gauss-Jordan elimination: Let A=IA…

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: prove the following statement.

A:

Q: -1 - 1 Suppose A Then (A") = 2 1 ||

A: Here, the given matrix is: A=-1-121 To find (AT)-1. Note that (AT)-1=(A-1)T

Q: Let Then where a11 = , a31 = , a12 = -1/9 , a32 = 1/9 1 +-679 A = 1 1 A-¹ = , a13 = 0 a11 a12 a13…

A: a11​=11782​ a12​=117−28​ a13​=11763​ a21​=1175​ a22​=117−4​ a23​=117−9​ a31​=117−13​ a32​=11713​…

Q: 1. Solve the equations below. Show your work. a.) x2 – 14x + 45 = 0 b.) 3x2 – 2x - 5 = 0

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