Question

f(x)=(x²-7x)x найти производнуюфункции

Answer 1

$f(x)=(x^2-7x)*x$
$f'(x)=(x^2-7x)'*x+x'*(x^2-7x)=(2x-7)*x+1*(x^2-7x)=$$2x^2-7x+ x^{2} -7x=3 x^{2} -14x$

Answer 2

$f'(x)=(x^2-7x)'*x+(x^2-7x)*x'=$
$(2x-7)*x+(x^2-7x)=2x^2-7x+x^2-7x=3x^2-14x$