SOLUTION: Find the following product if possible. Explain if it is not possible. A. B. C. D. The question is provided in the link here: https://i.imgur.com/xeBfWJl.png

Algebra ->  Probability-and-statistics -> SOLUTION: Find the following product if possible. Explain if it is not possible. A. B. C. D. The question is provided in the link here: https://i.imgur.com/xeBfWJl.png      Log On


   

Question 1161524: Find the following product if possible. Explain if it is not possible.
A.
B.
C.
D.

The question is provided in the link here: https://i.imgur.com/xeBfWJl.png
Found 3 solutions by MathLover1, greenestamps, ikleyn:
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

D.
These matrices cannot be multiplied because their dimensions don't align.
one matrix is 3x2 and other is 2x3

Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


!!! Surely tutor @MathLover knows enough about matrices to know that these matrices CAN be multiplied....!

The product of a 2x3 matrix and a 3x2 matrix is a 2x2 matrix; and the 2x2 matrix shown as answer choice A is the correct product.

Answer by ikleyn(52780) About Me  (Show Source):
You can put this solution on YOUR website!
.

These matrices are ALIGNED for multiplication.


The answer is the matrix a).

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Ignore the answer by @MathLover1,  since it is  WRONG.

Unfortunately,   @MathLover1  does not know the subject.


I just saw it and explained it to you in my previous post

https://www.algebra.com/algebra/homework/Probability-and-statistics/Probability-and-statistics.faq.question.1161522.html

https://www.algebra.com/algebra/homework/Probability-and-statistics/Probability-and-statistics.faq.question.1161522.html