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Mathematics 12 Online
OpenStudy (anonymous):

differentiate y=e^sin(arclogx)

OpenStudy (alfie):

do you mean...? \[y= e^{\arcsin(logx)} ?\]

OpenStudy (anonymous):

that arc actually means square root. and it is (arclogx)

OpenStudy (alfie):

So like this? \[e^{\sin{\sqrt{logx}}}\]

OpenStudy (anonymous):

yep.

OpenStudy (alfie):

Okay then, there are several functions nested one into another, we have to use the chain rule, you know how to do that?

OpenStudy (alfie):

Let's start from the one which is more external, then step by step "go deeper". \[e^{\sin{\sqrt{logx}}} \rightarrow = e^{\sin{\sqrt{logx}}}\] Now. \[\sin{\sqrt{logx}} \rightarrow = \cos{\sqrt{logx}}\] Deeper! \[\sqrt{logx} \rightarrow \frac{1}{2x \sqrt{logx}}\] Merge everything and get... \[\huge \frac{e^{\sin{\sqrt{logx}}} \cos{\sqrt{logx}}}{2x \sqrt{logx}}\]

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