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JEE Main Mathematics question

MathematicsBinomial TheoremJEE Main

The coefficient of in the expansion of , is

Answer: (A)

Solution

$Missing argument for \frac\frac n{n-1}=-=Missing argument for \frac\frac1{10}(Missing argument for \frac\frac1n+Missing argument for \frac\frac1

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Question ID VK-021992