найти производную функции:
y " = (e^x(1+x^2)) " = (e^x) " (1+x^2) + e^x(1+x^2) " = e^x(1+x^2) + e^x *2x =
=e^x + e^x x^2 + e^x *2x = e^x( 1 + 2x + x^2)
y ' (1) = e^1 (1+2*1+1^2) = 4e