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If A = sin^2 theta+ cos^4 theta, then f...

If `A = sin^2 theta+ cos^4 theta`, then for all real values of `theta`

A

` 1 le A le 2`

B

`3//4 le A le 1`

C

`13//16 le A le 1`

D

`3//4 le A le 13//16`

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The correct Answer is:
b
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