Question

I've got a limit problem, can someone shed some light on this? (Question in comments)

Answer 1

\[\lim_{x \rightarrow 1}(x ^{3}-1)/(x ^{4}-1)\]

Answer 2

\[\lim_{x \rightarrow 1}\frac{(x-1)(x^2+x+1)}{(x^2-1)(x^2+1)}\]
you need to factor

Answer 3

factor x^2-1 and you will be home free

Answer 4

Well done, thank you very much. I couldn't figure out what to do to the top.

Answer 5

:)
its the difference of two cubes