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If t a nalpha=1/(1+2^(-x))a n dt a nbeta...

If `t a nalpha=1/(1+2^(-x))a n dt a nbeta=1/(1+2^(x+1)),` then write the value of `alpha+beta` lying in the interval `(0,pi//2)` .

A

`pi//6`

B

`pi//4`

C

`pi//3`

D

`pi//2`

Text Solution

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The correct Answer is:
B
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