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Question 1
Evaluate $\displaystyle \int_{0}^{1}x(1-x)^ndx $
A.
$\dfrac{-1}{(n+1)(n+2)}$
B.
$\dfrac{1}{(n+1)(n+2)}$
C.
(n+1)(n+2)
D.
(n-1)(n-2)
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