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-- Mathematics - Section B1
Definite Integration
The integral $\int\limits_0^1 x(1-x)^{n} d x$ is equal to :
$\frac{1}{(n+2)(n+3)}$
$\frac{1}{(n+1)(n+2)}$
$\frac{1}{n(n+1)}$
$\frac{1}{(n-1)(n-2)}$
The correct answer is Option (2) - $\frac{1}{(n+1)(n+2)}$