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If X and Z are of order 2xx n and 2xx p ...

If X and Z are of order `2xx n` and `2xx p` respectively and `n=p` then, `7 X-5 Z` is of order

A

`pxx 2`

B

`2xx n`

C

`nxx 3

D

`pxx n`

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The correct Answer is:
B
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