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If sin^(-1)(a-(a^(2))/3+(a^(3))/9+…..)+c...

If `sin^(-1)(a-(a^(2))/3+(a^(3))/9+…..)+cos^(-1)(1+b+b^(2)=……..)=(pi)/2` then

A

`b=(2a-3)/(3a)`

B

`b=(3a-2)/(2a)`

C

`a=3/(2-3b)`

D

`a=2/(3-2b)`

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
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