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simplify (1/x) + (1/(x+h)

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MattDid
You bring to a common denominator and the numerator and denominator oversimplifying:
[tex]\frac{1}{x}+\frac{1}{x+h}=\frac{1*(x+h)}{x(x+h)}+\frac{1*x}{x(x+h)}=\frac{2x+h}{x(x+h)}[/tex]
1/x+1/x+h
=1*(x+h)/x(x+h)+1*x/x(x+h)
=2x+h/x(x+h)

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