19. Solve the matrix equation for X. https://tcan4424-oakcliff-ccl.gradpoint.com/Resour...

20.What are the dimensions of this matrix? https://tcan4424-oakcliff-ccl.gradpoint.com/Resour...

21Refer to matrix B and identify the matrix element b_{14}.https://tcan4424-oakcliff-ccl.gradpoint.com/Resour...

22.Which of the answer choices has matrix multiplication defined? A B C D

[1 2 [ 5 6 7 [ -1 2 3 [5 9 7]

3 4] [8 9 0] 8 -4 0

6 7 1]

1. The answer to the first question is:

[0 11

5 -4]

2. The answer to the second question is: 2 x 1

3. The answer to the third question is: 0

4. Could you make the last question a bit clearer, I am finding it difficult to understand what you mean.

Which of the answer choices has matrix multiplication defined?

a

b

c

d

ANSWER CHOICES:

A. DC

B. CD

C. CB

D. BA

The correct answer is the first one, DC

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