This one has me stumped.(adsbygoogle = window.adsbygoogle || []).push({});

[tex] \int\frac{9x}{\sqrt{6x-x^2}}dx[/tex]

I've tried completeing the square in the root and using trig substitution, but that made it really complicated. Also tried to rationalize the denominator, but to know avail. Any hints?

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# Another integral

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