Let for . I need to show that ...

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- Feb 9th 2010, 04:50 PMCrazyCat87Limits
Let for . I need to show that ...

- Feb 9th 2010, 09:31 PMmiguemate
Hello, let me try to help you

1) Try when x<0, then |x|=-x.

2) Try when x>0, then |x|=x.

Take the limit, and tell what you get.

Hugs - Feb 10th 2010, 12:04 AMxalk
- Feb 10th 2010, 05:35 AMHallsofIvy
- Feb 10th 2010, 06:57 AMCrazyCat87
- Feb 10th 2010, 07:52 AMHallsofIvy
Because making the substitution y= -x in gives which is, of course, the same as

- Feb 10th 2010, 11:24 AMCrazyCat87
ok I'm done proving it, thanks everyone for all your help!!