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Find function

by kabi, Sep 03, 2009, 6:18 am

If $f: R - ( - 1 ) \rightarrow R$ and $f$ is differentiable function satisfies :

$f ( x + f(y) + xf(y) ) = y + f(x) + yf(x)$

$x, y \epsilon R - { ( - 1) }$ then find $f(x)$

Solution

0 Comments

You can't change maths but maths can change you( just start loving it)

kabi

@Pocha thanks a lot . i m checking my blog after such a long time but unfortunately don't have time to post something . May be after May 2010 .

By kabi, on Dec 02, 2009, 12:08 am
"YOU CAN'T CHANGE MATHS BUT MATHS CAN CHANGE YOU( JUST START LOVING IT)"
dat's indeed a great punch line u've got there

By Pocha, on Nov 20, 2009, 6:55 am
60th shout!!! yay!

By gauss1181, on Jul 30, 2009, 12:04 pm
hello kabi.hows u
javascript:emoticon(':)')

By deepak91g, on Jul 12, 2009, 2:29 am
hello to both of u.

By kabi, on Jul 10, 2009, 11:25 am

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