a((a+b)+(a-b)-(a+b+c)+(c-b+a+b))=b+c-a
please resolve and reply the ans .. this is so complicated for me . but this one is a very very interesting question for cat-2011
njoy Smile
please resolve and reply the ans .. this is so complicated for me . but this one is a very very interesting question for cat-2011
njoy Smile

















