Răspuns :
Folosim regulile de derivare.
f'(x) = [(e^(-x))(x²-3)]' =
= (e^(-x))' * (x²-3) + e^(-x) * (x²-3)' =
= -e^(-x)(x²-3) + (e^(-x))(2x) =
= (-e^(-x)) ( x²-2x-3)
Folosim regulile de derivare.
f'(x) = [(e^(-x))(x²-3)]' =
= (e^(-x))' * (x²-3) + e^(-x) * (x²-3)' =
= -e^(-x)(x²-3) + (e^(-x))(2x) =
= (-e^(-x)) ( x²-2x-3)