Hey guys, having a blank moment Could some one just give me an answer to the the derivative of 4/x^-2, the x to the power -2 has thrown me a bit , longer time since i did this i know it basic stuff , having one of those days
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Now differentiate...
x^-2=1/x^2 So 4/x^-2= 4x^2 whose derivative=8x
The hard way, using the "quotient rule": (f/g)'= (f'g- fg')/g^2 with f= 4, a constant so f'= 0, and so . Gosh, wasn't that fun!
Last edited by HallsofIvy; Jun 15th 2012 at 09:44 AM.
Quotient rule, boo...lol
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