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The sum of coefficients of integral powers of x in the binomial expansion of (1 - 2√x)^50 is

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The sum of coefficients of integral powers of x in the binomial expansion of (1 - 2√x)50 is

(a) (1/2)(350 + 1)

(b)  (1/2)(350)

(c)  (1/2)(350 - 1)

(d)  (1/2)(250 + 1)

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1 Answer

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Best answer

Correct option (a) (1/2)(350 + 1)

Explanation:

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