I am in a dire need for you to answer this Limits question from Calculus. I would greatly appreciate anybody's constructive help ~ I would be really grateful.

Use lim (h -> 0) for (f(x+h) - f(x))/(h)

to solve the function:

f(x) = x ^ (2/3)

I would be soooo incredibly happy if you can answer this question! Thanks.

~ Riddhi.