Question

Lim x^4-1/x^3-1
x->1

Answer 1

Have you done any factoring?

Answer 2

i tried but it just came back to the same spot.

Answer 3

\[x^4-1=(x^2-1)(x^2+1)=(x-1)(x+1)(x^2+1)\] right?

Answer 4

\[x^3-1=(x-1)(x^2+x+1)\]

Answer 5

oooh yeah!
thank you so much :))