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

Assume X, Y, Z, W and P are matrices of order `2xxn, 3xxk, 2xxp, nxx3 and pxxk` 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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