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If the equation sin^4x-(k+...

If the equation `sin^4x-(k+2)sin^2x-(k+3)=0` has a solution then `k` must lie in the interval;

A

` k gt -3 `

B

`k lt -2 `

C

`-3 le k le -2 `

D

`k ` is any (+ve) value

Text Solution

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The correct Answer is:
C
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