SOLUTION: I can't get the solution! 1 over(x+h)^2 minus 1 over x^2 all this over h.

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Question 781394: I can't get the solution!
1 over(x+h)^2 minus 1 over x^2 all this over h.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
1 over(x+h)^2 minus 1 over x^2 all this over h.
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[1/(x+h)^2 - 1/(x)^2]/h
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= [x^2 - (x^2+2hx+h^2)/(x^2*(x+h)^2]/[h]
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= [-2hx-h^2]/(x^2(x+h)^2)]/h
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= [-2x-h]]/[x^2(x+h)^2]
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Cheers,
Stan H.
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