If |y+x|=|x-y| ,then xy=
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But, if |x|=|y|; then it is not necessarily x = y. Must be thinking why?
But, if |x|=|y|; then it is not necessarily x = y. Must be thinking why?Let, x = a, y = -a and a≠0. For a>0; |x|=a and |y|=a.
But, if |x|=|y|; then it is not necessarily x = y. Must be thinking why?Let, x = a, y = -a and a≠0. For a>0; |x|=a and |y|=a.Also, for a<0; |x|=-a and |y|=-a.
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