Question

Qual a derivada de $(1-x)^{n}$?

Answer 1

f(x) = (1 -x)ⁿ

f'(x) = n.(1-x)ⁿ-¹ .(1-x)'

f'(x) = n.(1-x)ⁿ-¹ . (-1)

f'(x) = -n.(1-x)ⁿ-¹