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If m and M are the minimum and the maxim...

If m and M are the minimum and the maximum values of `4+1/2 sin^2 2x-2cos^4x, x in R` then

A

`9/4`

B

`15/4`

C

`7/4`

D

`1/4`

Text Solution

Verified by Experts

The correct Answer is:
B
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DISHA PUBLICATION-TRIGONOMETRIC FUNCTIONS -EXERCISE-2
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