$\displaystyle F(x) = x{a}^{ 1-x} $ Differentiate with respect to x, so $\displaystyle u = x$ and $\displaystyle v = {a}^{ 1-x}$ But i Cant Differentiate v
$\displaystyle F(x) = x{a}^{ 1-x} $ Differentiate with respect to x, so $\displaystyle u = x$ and $\displaystyle v = {a}^{ 1-x}$ But i Cant Differentiate v