1. ## Exponent differentiation

I'm trying to differentiate the following equation:

and is the way I should differentiate that function and those exponents sth like this:

$5[-.01e^{-.01t}+.51e^{-.51t}]$???

2. Yes, that works.

3. But for some reason, the answer doesn't contain the - sign on the .01:

Can this be explained?

4. Originally Posted by Kataangel
But for some reason, the answer doesn't contain the - sign on the .01:

Can this be explained? Mr F says: Yes. And very easily too. The answer is wrong.
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