Mathematics

Problem

For integers

n

with

0\le n\le 10

, which expression gives the

n

th derivative of

s(x)=7x^{10}

? a)

7\,10^{\,n}\,x^{10-n}

7\,\dfrac{10!}{(10-n)!}\,x^{10-n}

7\,n!\,x^{10-n}

7\,\dfrac{10!}{n!}\,x^{10-n}