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The value of alpha, for which the equati...

The value of `alpha`, for which the equation `x^2-(sinalpha-2)x-(1+sinalpha)=0` has root whose sum of square is least, is

A

`pi/3`

B

`pi/4`

C

`pi/2`

D

`pi/6`

Text Solution

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The correct Answer is:
C
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