-32
-16
16
32
Correct answer is D
( 1- 2x)4 = 1 + px + qx2 - 32x3 + 164
compared with: 1 - 8x + 24x2 - 32x3 + 164
q = 24 and p = -8
(q - p) = 24 - [-8] = 32
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