(m+n)-1(m-1+n-1)=mxny prove x+y+2=0 - Maths -

Question

(m+n)-1(m-1+n-1)=mxny

​prove x+y+2=0

Tirth Mehta · Answer

This is the ans
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(m+n)-1(m-1+n-1)=mxny ​prove x+y+2=0