This illustrates why there is a certain mathematical definition for the number zero.
The fifth line is the equation that results from dividing the 4th line by the common term (A-B).
To avoid this paradoxical result that is why 'division by zero is undefined'
2 comments:
Where it all went wrong is in the fifth statement. (A + B) = 2A
Correct; but if you divide both halves of the line above by the Common Term (A-B) then the line (A+B) = A is correct.
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