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The sum of the coefficients in the expansion of ${(1 + 5 x - 7 x^{3})}^{3165}$ is

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Correct option is D

Putting x=1 in (1+5x−7x3)3165, the required sum of coefficients = (1 + 5 – 7)3165 = (– 1)3165 = –1.

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The sum of the coefficients in the expansion of (1+5x−7x3)3165 is

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The sum of the coefficients in the expansion of ${(1 + 5 x - 7 x^{3})}^{3165}$ is