Binomial TheoremHard
Question
The coefficient of x6 in series e2x is
Options
A.4/45
B.3/45
C.2/45
D.none of these
Solution
As we know
ex = 1 +
+ .....
∴ e2x =
Hence coefficient of x6 is =
ex = 1 +
∴ e2x =
Hence coefficient of x6 is =
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