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If A= sin^(2) x + cos^(4) x then for all...

If `A= sin^(2) x + cos^(4) x` then for all real x

A

`3/4lt=Alt=1`

B

`13/16lt=Alt=1`

C

`1lt=Alt=2`

D

`3/4lt=Alt=13/16.`

Text Solution

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The correct Answer is:
A
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