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If m= sin ^(2) theta + cos ^(4)theta, th...

If `m= sin ^(2) theta + cos ^(4)theta,` then-

A

`3/4 le mle 1`

B

` 1/2 le m le 3/4`

C

`1/4 le m le 5/4`

D

none of these

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A
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