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`(1)/(sqrt(x^(2)+2x+2))` |
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Answer» `int(1)/(sqrt(x^(2)+2x+2))dx` `=int(1)/(sqrt((x+1)^(2)+(1)^(2)))dx` `=log|(x+1)+sqrt((x+1)^(2)+1)|+c` `=log|(x+1)+sqrt(x^(2)+2x+2)|+c` |
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