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fond-2x-1-x-2-dx-




Question Number 92143 by hore last updated on 05/May/20
fond∫((2x)/(1+x^2 ))dx
fond2x1+x2dx
Commented by Prithwish Sen 1 last updated on 05/May/20
ln(1+x^2 ) +c   c= const.
ln(1+x2)+cc=const.

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