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Mathematics 4 Online
OpenStudy (jiteshmeghwal9):

If \((\sqrt{x})^{\sqrt{x}}=y\) then \(x\) is equal to :-

OpenStudy (jiteshmeghwal9):

@experimentX @satellite73 @ParthKohli plz help

OpenStudy (jiteshmeghwal9):

help...

OpenStudy (jiteshmeghwal9):

\[\LARGE{(x^{1/x})^{x^{1/x}}=y}\]by taking log on both sides\[\LARGE{\log(x^{1/x})^{x^{1/x}}=y}\]\[\LARGE{logx^x=y}\]nt sure

OpenStudy (experimentx):

just let sqrt(x) = a for simplicity's sake.

OpenStudy (jiteshmeghwal9):

k!

OpenStudy (jiteshmeghwal9):

a^a=y

OpenStudy (jiteshmeghwal9):

wht's the next step ?

OpenStudy (experimentx):

i don't have one ... need to work out on this. since this is one to one function, there must be inverse. I wonder if this is easily possible.

OpenStudy (jiteshmeghwal9):

but i do not know anything :P

OpenStudy (jiteshmeghwal9):

@phi

OpenStudy (phi):

I think you have to use the product log function. http://en.wikipedia.org/wiki/Lambert_W_function

OpenStudy (jiteshmeghwal9):

really ?

OpenStudy (jiteshmeghwal9):

I'm nt sure about this since it is a topic of calculus :P

OpenStudy (shubhamsrg):

I dont see this question as solvable unless you have knowledge about interpolation.

OpenStudy (jiteshmeghwal9):

i don't know interpolation, sorry :P

OpenStudy (shubhamsrg):

You can not solve for x from here. Please recheck the question.

OpenStudy (shubhamsrg):

I mean one can, but that is out of scope.

OpenStudy (anonymous):

What is the question?|dw:1358268209471:dw|

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