Post a New Question

Math

posted by on .

Prove that lim (x->0) x^4 cos 2/x = 0.

  • Math - ,

    lim (x->0) x^4 cos 2/x=

    =lim (x->0) x^4 * lim (x>0) cos 2/x

    = 0 * lim (x>0) cos 2/x

    cos (a) will always be between -1 and 1. but this is irrelevant since x^4 is 0 at x=0, and anything multiplied by 0 is 0

    :P

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question