Question

A is a matrix with dimensions 4×3. Select all of the following matrices Bfor which the...

A is a matrix with dimensions 4×3. Select all of the following matrices Bfor which the product AB is defined.
Select one or more:
a. B is 4×3
b. B is 3×3

c. B is 3×10

d. B is 4×9

e. B is 3×2

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Answer #1

A is a matrix with dimensions 4×3. Select all of the following matrices B for which the product AB is defined.

b. B is 3×3
c. B is 3×10
e. B is 3×2

Explanation: Let A be the matrix of size r1 x c1 , AB is possible if B row is same as c1 . Hence any dimnsion starting with 3 x Y is possible


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