Find the coefficient of (x^{4}) in the expansion of ((1-2x)^{6}).
-
A.
-320 -
B.
-240 -
C.
240 -
D.
320
Correct Answer: Option C
Explanation
(^{6}C_{4}(1)^{6-4}(-2x)^{4}) = (15times1times16x^{4} = 240x^{4})
The coefficient of (x^{4})= 240
Find the coefficient of (x^{4}) in the expansion of ((1-2x)^{6}).
(^{6}C_{4}(1)^{6-4}(-2x)^{4}) = (15times1times16x^{4} = 240x^{4})
The coefficient of (x^{4})= 240