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JEE-Mains 2015 (7/30)

Algebra Level 4

The sum of coefficients of integral powers of \(x\) in the binomial expansion of \((1-2\sqrt{x})^{50}\) is :

\[\frac{1}{2}(2^{50}+1)\] \[\frac{1}{2}(3^{50}+1)\] \[\frac{1}{2}(3^{50})\] \[\frac{1}{2}(3^{50}-1)\]

Excel in math and science

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by Sandeep Bhardwaj

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