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The value of the integral `int(x^2+x)(x^(-8)+2x^(-9))^(1/(10))dx`is`5/(11)(x^2+2x)^((11)/(10))+c`(b) `5/6(x+1x)^((11)/(10))+c``6/7(x+1)^((11)/(10))+c`(d) none oftheseA. `(5)/(11)(x^(2)+2x)^(11//10)+c`B. `(5)/(6)(x+1)^(11//10)+c`C. `(6)/(7)(x+1)^(11//10)+c`D. none of these |
Answer» Correct Answer - A Given that `I=int(x^(2)+x)(x^(-8)+2x^(-9))^(1//10) dx` `=int (x+1)(x^(2)+2x)^(1//10)dx` Now put `x^(2)+2x=t " and "(x+1)dx=(dt)/(2)` ` :. I=int t^(1//10)(dt)/(2)=(1)/(2)xx(10)/(11)t^(11//10)+C=(5)/(11)t^(11//10)+C` ` =(5)/(11)(x^(2)+2x)^(11//10)+C` |
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