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To the equation 2^(2pi//cos^(-1)x)-(a+1/...

To the equation `2^(2pi//cos^(-1)x)-(a+1/2)2^(pi//cos^(-1)x)-a^(2)=0` has only real root, then

A

`1leale3`

B

`bge1`

C

`ale-3`

D

`age3`

Text Solution

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The correct Answer is:
B, C, D
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  1. To the equation 2^(2pi//cos^(-1)x)-(a+1/2)2^(pi//cos^(-1)x)-a^(2)=0 ha...

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