u guys kidding me..... 11 wata reply bhayo kati jana le kati wata method bata prove gardi sake hola...wah mera nepali daju bhai haru bhanhya ta autai kurama kichkich garera basera......... its just for a simple calculus class...and i don't think we have yet covered 1) Indeterminate 2) L Hospital's Rule i just want a simple proof that says derivative of e^x w.r.t x is e^x ...don't bother about the other one......