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Assume that X,Y,Z,W and P are matrices o...

Assume that X,Y,Z,W and P are matrices of order `2xxn, 3xxk, 2xxp`,
`nxx3 and pxxk` respectively. Choose the correct answer in the following
cases. The restriction on n,k and p so that PY+WY will be defined are:

A

k=3, p=n

B

k is arbitrary, p=n

C

p is arbitrary, k=3

D

k=2, p=3

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The correct Answer is:
A
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