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DLSBest ResponseYou've already chosen the best response.1
\[f(x)=\sin(\log(x\sqrt{x^2+1}))\]
 11 months ago

DLSBest ResponseYou've already chosen the best response.1
\[f(x)=\sin(\log(\sqrt{x^2+1}x)) \]
 11 months ago

hartnnBest ResponseYou've already chosen the best response.0
log (A) is not log A or log A so, its neither.
 11 months ago

hartnnBest ResponseYou've already chosen the best response.0
lets try an simplify x= tan y
 11 months ago

yrelhan4Best ResponseYou've already chosen the best response.1
just rationalize f(x).. you'll get to know why.
 11 months ago

DLSBest ResponseYou've already chosen the best response.1
kyun karna hai?kaise pata chalega?
 11 months ago

yrelhan4Best ResponseYou've already chosen the best response.1
ye rd ka question hai. to mereko pta hai.. :P
 11 months ago

hartnnBest ResponseYou've already chosen the best response.0
you'll be using log (1/A) =  log A property here.
 11 months ago

DLSBest ResponseYou've already chosen the best response.1
ye to IIT ques hai..and why cant i see anyone viewing this question?
 11 months ago

DLSBest ResponseYou've already chosen the best response.1
if I rationalize then how i am I using 1/logA property?
 11 months ago

hartnnBest ResponseYou've already chosen the best response.0
what u got after rationalizing ?
 11 months ago

DLSBest ResponseYou've already chosen the best response.1
\[\large x\sqrt{x^2+1} \times \frac{x+\sqrt{x^2+1}}{{x+\sqrt{x^2+1}}}=\frac{1}{\sqrt{x^2+1}}\] hmm but how am i gonna think of this ?
 11 months ago

yrelhan4Best ResponseYou've already chosen the best response.1
iit ka question hai mere bhai..
 11 months ago

DLSBest ResponseYou've already chosen the best response.1
okay i have another doubt
 11 months ago

DLSBest ResponseYou've already chosen the best response.1
\[\large \frac{1}{x+\sqrt{x^2+1}}\] =logA? logA to 1/xsqrt{x^2+1} tha..minus tha :
 11 months ago

yrelhan4Best ResponseYou've already chosen the best response.1
nhi.. galat hai method. pta nhi. :/
 11 months ago

yrelhan4Best ResponseYou've already chosen the best response.1
dls's last post. rationalizing wont work.
 11 months ago

hartnnBest ResponseYou've already chosen the best response.0
rationalizing changes middle sign :\]
 11 months ago

yrelhan4Best ResponseYou've already chosen the best response.1
we'll get log(x+ sqrt(x^2+1)) right? but f(x) is..... exactly...
 11 months ago

yrelhan4Best ResponseYou've already chosen the best response.1
yr dusre room me padi hai. :/
 11 months ago

DLSBest ResponseYou've already chosen the best response.1
ja na please : mere solution me usse (a+b)(ab) ka use kara hai..why :/
 11 months ago

DLSBest ResponseYou've already chosen the best response.1
\[\LARGE \sin(\log(\frac{1}{x+\sqrt{x^2+1}}))=\sin(\log1\log(x+\sqrt{x^2+1}\] ..done
 11 months ago
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