Question

найти производную
f(x)=(3x^7+6x^-1)(2x^-3+5x^2)

Answer 1

f`(x)=(21x^6-6x^-2)(2x^-3+5x²)+(3x^7+6x^-1)(-6x^-4)+10x)=
=42x³+105x^8-12x^-5-30-18x³+30x^8-36x^-5+60=
=24x³+135x^8-48x^-5+30