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Evaluate:`int1/(sqrt(3x+4)-sqrt(3x+1))dxdot` |
Answer» `int(1)/(sqrt(3x+4)-sqrt(3x+1))dx` `=int(sqrt((3x+4))+sqrt((3x+1)))/((sqrt((3x+4))+sqrt((3x+1)))(sqrt((3x+4))-sqrt((3x+1))))dx` `=int(sqrt((3x+4))+sqrt((3x+1)))/((3x+4)-(3x+1))dx` `=(1)/(3)sqrt(3x+4)+sqrt(3x+1)dx` `=(1)/(3)sqrt(3x+4)dx+(1)/(3)sqrt(3x+1)dx` `=(1)/(3){((3x+4)^(3//2))/(3xx(3)/(2))}+(1)/(3){((3x+1)^(3//2))/(3xx(3)/(2))}+C` `=(2)/(27){(3x+4)^(3//2)+(3x+1)^(3//2)}+C` |
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