Posted by VM on September 23, 2002 at 17:47:40:
In Reply to: really quick help posted by sean on September 23, 2002 at 16:08:58:
: what is the derivative of 1/x² ?
: i keep getting lost in all the x and h garbage. i get to (x²-x²-2hx-h²)/[x²(x²+2hx+h²)] and then i get a bit confused. is that much even right?
1/x^2 can be written as 1x^-2 from there you get -2x^-3. -2x^-3 is the answer or you can write it as -2/x^3.
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