Question

diffrentiate x3 cosx with respect to x​

Answer 1

f(x)=x³cosx

Applying the product rule of differentiation which states that:

if g(x)=u(x).v(x)

g'(x)=u'(x).v(x)+u(x).v'(x)

f'(x)=3x²cosx-x³sinx