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Evaluate:`int1/(sqrt((x-1)(x-2)))dx` |
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Answer» `I=int(1)/(sqrt(x^(2)-3x+2))dx` `=int(1)/(sqrt(x^(2)-3x+(9)/(4)-(9)/(4)+2))dx` `=int(1)/(sqrt((x-(3)/(2))^(2)-((1)/(2))^(2)))dx` `=log|(x-(3)/(2))+sqrt((x-(3)/(2))^(2)-((1)/(2))^(2))|+C` `=log|(x-(3)/(2))+sqrt(x^(2)-3x+2)|+C` |
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