Re: Sample Questions of ISI ME I (Mathematics) 2010 Discussion

Posted by rongmon on May 05, 2014; 3:05pm
URL: http://discussion-forum.276.s1.nabble.com/Sample-Questions-of-ISI-ME-I-Mathematics-2010-Discussion-tp4850019p7588659.html

Thanks.

The second step, you interchanged a1 and a2 - what is the reasoning behind it?