# Differentiate:

f(x) = 2x-(x^2+1)^7 / 3

the answer choices are

1) f'(x) = 2-x / 3(x^2+1)^6

2) f'(x) = 2/3 - 14/3 x(x^2+1)^6

3) None of the above

so the answer would number 1 correct?

f(x) = 2x-(x^2+1)^7 / 3

the answer choices are

1) f'(x) = 2-x / 3(x^2+1)^6

2) f'(x) = 2/3 - 14/3 x(x^2+1)^6

3) None of the above

so the answer would number 1 correct?