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Let f(x ) =cos sqrt(p) x. where p = [a...

Let f(x ) =cos `sqrt(p) x.` where p = [a] (integral part ). If the period of f(x ) is `pi` then a E

A

`[4,5]`

B

`[4,5)`

C

`(4,5]`

D

`(4,5)`

Text Solution

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The correct Answer is:
B
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