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Find the value of expression

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[(1/x+h)-(1/x)]/h
asked Oct 24, 2017 in PRECALCULUS by anonymous
reshown Oct 24, 2017 by bradely

1 Answer

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[(1/x+h)-(1/x)]/h=(1/h)[((x)-(x+h))/(x+h)(x)]

                         =(1/h)[(-h)/(x+h)(x)]

                         = -1/(x+h)(x)

answered Oct 25, 2017 by lilly Expert

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