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sin^(2) x + 4 sin x+5 in [k, 5k ] rArr k...

`sin^(2) x + 4 sin x+5 in [k, 5k ] rArr k =`

A

`1`

B

`2`

C

`3`

D

`4`

Text Solution

Verified by Experts

The correct Answer is:
B
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