angelatorres00
angelatorres00
08-02-2015
Mathematics
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(X+h)^3 + (x+h)-(x^3+x)
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konrad509
konrad509
08-02-2015
[tex]\dfrac{(x+h)^3 + (x+h)-(x^3+x)}{h}=\\ \dfrac{x^3+3x^2h+3xh^2+h^3+x+h-x^3-x}{h}=\\ \dfrac{3x^2h+3xh^2+h^3+h}{h}=\\3x^2+3xh+h^2+1[/tex]
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