Saturday, October 19, 2019

calculus - Solve a limit without L'Hopital: limxto0fracln(cos5x)ln(cos7x)

I need to solve this limit without using L'Hopital's rule. I have attempted to solve this countless times, and yet, I seem to always end up with an equation that's far more complicated than the one I've started with.



lim




Could anyone explain me how to solve this without using L'Hopital's rule ? Thanks!

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