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The number of all the possible triplets ...

The number of all the possible triplets `(a_1,a_2,a_3)` such that `a_1+a_2cos(2x)+a_3sin^2(x)=0` for all `x` is (a) 0 (b) 1 (c) 3 (d) infinite

A

0

B

1

C

3

D

Infinite

Text Solution

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The correct Answer is:
D
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