Find f ' (1) if f(x)=n√x
or x^1/n
options
a. 1
b. 1/n
c. n
d. (1-n)/n
e. 1- 1/n
2 answers
nvm i got it, its 1/n
if f(x)=n√x = n (x)^(1/2)
f'(x) = (1/2)n x^(-1/2)
= n/(2√x)
f'(1) = n/2 <------ none of the given choices
f'(x) = (1/2)n x^(-1/2)
= n/(2√x)
f'(1) = n/2 <------ none of the given choices