Sum Of The Last 30 Coefficients In The Expansion Of (1 + x)59 when Expanded In Ascending Powers Of x is

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Question

Sum of the last 30 coefficients in the expansion of (1 + x)⁵⁹ when expanded in ascending powers of x is

medium

Solution

Correct option is

2⁵⁸

There will be 60 terms in the expansion of (1 + x)⁵⁹. Last thirty terms will be

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