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The minimum and maximum values of sin^(4...

The minimum and maximum values of `sin^(4) x + cos^(4) x` are

A

`1/2, 3/2`

B

`1/2,`1

C

`1, 3/2`

D

`1,2`

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The correct Answer is:
B
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AAKASH SERIES-PERIODICITY AND EXTEME VALUES-PRACTICE SHEET (EXERCISE) LEVEL-I(MAIN) Extreme values ( Single answer type questions )
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