Question

lim as x approaches 0 of (x-1)/(x^3-2x^2)

Answer 1

directly subtittute x = 0 into the function of (x-1)/(x^3-2x^2)
what do you get ?

Answer 2

undefined!

Answer 3

but the answer is infinity

Answer 4

(0-1)/(0^3-2(0)^2)
= -1/(0-0)
= -1/0
= -infinity

Answer 5

yes, it is infinity. just miss the negative sign above

Answer 6

but can't you not divide by 0? so wouldn't i not be allowed to do that?

Answer 7

a number divide by 0 would be infinity, but 0/0 its undefined

Answer 8

okay thank you!!!

Answer 9

wlcm