Math miscellaneousMedium
Question
Coefficient of x10 in the expansion of (1 + x)9 ln (1 + x), is (where |x| < 1)
Options
A.0
B.
C.
D.
Solution
(l n(1 + x))
9Crxr
9Crxr
coefficient of
x10 = 9C9
i.e.
(-1)r = 
9Crxr9Crxrcoefficient of
x10 = 9C9
i.e.
(-1)r = Create a free account to view solution
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