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JEE Advanced Mathematics question

MathematicsBinomial TheoremJEE Advanced

If , the coefficient of in the expansion of is

Answer: (B)

Solution

==-=-Missing argument for \frac\frac12ยท=(1--Missing argument for \frac\frac12Missing or unrecognized delimiter for \Big\Big(1-Missing argument for \frac\frac x2Missing or unrecognized delimiter for \Big\Big.

For $|x|

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Question ID VK-108419