Find the coefficient of \(x^{4}\) in the expansion of \((1-2x)^{6}\)

A.

-320

B.

-240

C.

240

D.

320

View answer & explanation

Correct answer is C

\(^{6}C_{4}(1)^{6-4}(-2x)^{4}\) = \(15\times1\times16x^{4} = 240x^{4}\)

The coefficient of \(x^{4}\)= 240

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