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**[SOLVED] L'hopitals Derivative**

**1. Homework Statement**

lim x->0 [tex] \frac{1-x^2-e^{-x^2}}{x^4}[/tex]

I ended up using l'hopitals rule 4 times before I got the answer. And I got an answer of -1/2. I was wondering if someone could check that to see if its right. I would post all my work but that would take a while, however, if you want to see more of my steps ill be glad to do so. I tried graphing it on my calculator, but depending where I put the parenthesis it was right or wrong. Thanks