Let we have to prove that a=b where a & b are integers.
Proof: Multiplying LHS & RHS by 0.
So, LHS = a * 0 = 0
RHS= b * 0=0
I know its wrong but why?
2 years, 3 months ago
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From \(a\cdot 0=b\cdot 0\), you can't get rid of the zero - you would have to divide by zero, which is undefined! :)