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int(3x^2)/(x^2+1)dx |
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Answer» SOLUTION :`INT(3x^2)/(x^2+1)DX` =`3int((x^2+1)-1)/(x^2-1)dx` =`3int{1-1/(x^2+1)}dx` =`3{x-tna^-1x}+C` |
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