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Mathematics 13 Online
OpenStudy (anonymous):

Integrate this thing ! inside

OpenStudy (anonymous):

\[\int\limits_{}^{} \frac{dx} {(1+\sqrt{x})\sqrt{x-x^2}}\]

OpenStudy (shubhamsrg):

denominator = (1-x) sqrtx , right ?

OpenStudy (anonymous):

no

OpenStudy (shubhamsrg):

oh yes its not, sorry :P

OpenStudy (shubhamsrg):

you can do this sqrt(x-x^2) = sqrtx . sqrt(1-x) and 1/(1+sqrtx) = (1-sqrtx)/(1-x) see if this helps

OpenStudy (anonymous):

I think this wud help... Den.= (1+sqrtx)sqrtx sqrt(1-x) If we do the substitution 1+sqrtx = t , I think the den. wud be simplified...

OpenStudy (anonymous):

sqrt(1-x) wont get simplified by that substitution ! @saloniiigupta95

OpenStudy (anonymous):

If I am not wrong, it would go on to be, sqrt(1-x) = sqrt{1- (1-t)^2} = sqrt(2t-t^2) After all this, it changes to, |dw:1371660578719:dw| ... See if this helps...

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