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(3/x)^x

Do you know how to use ln differentiation?

not sure

you mean add e into it ?

No no. Remember one thing. You can only use the power rule if you have a number on the power.

Since that's not the case you have to use ln differentiation.

Basically it means you take the natural log of both sides.

e^xIn(3/x)

is that what you mean?

So we have, |dw:1355452492770:dw|

That's what I mean :P .

No do you see how we get the power out?

|dw:1355452563984:dw|

put it as power of e
then x e^ (3/x)
result: e^(3/x) + (-3/(x)^2)*x

any way satisfy you!

but in your way , we have to multiply it by 1/y
at the end right ?

yeah

got it ` thanks guys

|dw:1355452766676:dw|

Now take the derivative.

got it