Correct Answer: Option D

Explanation

Given:  (1 - 2x)\(^4\), find kx\(^2\)

Using, \(^4_rCr(-2x)^r(1)^r\)

Where r is from x\(^2\) = 2

\(^4_2Cr(-2x)^2(1)^2\) = 6 * 4x\(^2\) = 24x\(^2\)

 kx\(^2\) = 24x\(^2\)

Therefore, k = 24.

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