Assume X, Y, Z, W and P are matrices of ...

Assume X, Y, Z, W and P are matrices of order `2xx n, 3xxk, 2xxp, n xx 3 and p xx k`, respectively.
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=2`

C

p is arbitrary, `k=3`

D

`k=2,p=3`

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The correct Answer is:

A

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