Re: PEA 2017 - Answer Key

Posted by subhraminion on May 13, 2017; 6:47pm
URL: http://discussion-forum.276.s1.nabble.com/PEA-2017-Answer-Key-tp7604116p7604135.html

10. The minimum value of x^2+2/sqrt (x^2+1) (where x is a real number) is
should be 2
hint:
replace denominator by t^2=x^2+1