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Evaluate `int sqrt(x^(2)+2x+5)dx` |
Answer» Correct Answer - `(1)/(2)(x+1)sqrt(x^(2)+2x+5)+2log|(x+1)+sqrt(x^(2)+2x+5)|+C` `int sqrt(x^(2)+2x+5)dx` `=int sqrt((x+1)^(2)+4)dx` `=(1)/(2)(x+1)sqrt((x+1)^(2)+2^(2)) +(1)/(2)*(2)^(2)log|(x+1)+sqrt((x+1)^(2)+2^(2))|+C` `=(1)/(2)(x+1)sqrt(x^(2)+2x+5)+2log|(x+1)+sqrt(x^(2)+2x+5)|+C` |
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