A caculus question concerning limits

1 reply · 2K views · last reply Feb 4, 2009

phyico

Ok so i came upon this question and i have no idea what to do!

limit
x->a

x^n-a^n / x - a

the answer is na^n-1

Discussion

Dick

Science Advisor

Homework Helper

l'Hopital's rule is pretty handy here. Do you know that?