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If a^2+2a+cosec^2(pi/2(a+x))=0, then, fi...

If `a^2+2a+cosec^2(pi/2(a+x))=0`, then, find the values of a and x.

A

`a=1, x/2 in 1`

B

`a=-1, x/2 in I`

C

`a in R, x in phi`

D

a, x are finite but not possible to find

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The correct Answer is:
B
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