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If sin^-1 ( x-x^2/2 + x^3/4 - x^4/8 +......

If `sin^-1 ( x-x^2/2 + x^3/4 - x^4/8 +....) = pi/6` where `absx lt 2` then the value of x is

A

44230

B

44257

C

2/3

D

-3/2

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The correct Answer is:
A
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