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If x= cos ^(2) theta + sin ^(4) theta, t...

If `x= cos ^(2) theta + sin ^(4) theta,` then for all real values of `theta-`

A

`1 le x le 2`

B

`13/16 le x le 1`

C

`1/2 le x le 3/4`

D

`3/4 le x le 1`

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The correct Answer is:
D
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