Question

Найдите производную функции f(x)=ex(x2+1)

Answer 1

 

$<var>f(x)=e^x(x^2+1)\\\\ f'(x)=(e^x(x^2+1))' = (e^x)'(x^2+1) + e^x(x^2+1)' =\\\\ e^x(x^2+1) + e^x(2x) = e^x(x^2+2x+1) = \underline{e^x(x+1)^2}</var>$