I remember my secondary teacher told me that 1 cannot be divided by 0.
Why 0 cannot be divisor?
“Because it is just not permitted in arithmetic”, he said.
Well. It is not permitted because it is not permitted. A kid shouldn’t ask much…
Throughout my N years of learning and teaching, I know that 0 cannot be a divisor because if it does, something will go wrong in mathematics. But how things can go wrong other than the calculator showing some error messages?
Here is a simple example.
1 / 0 = SOMETHING,
If so, I can multiply both left hand and right hand sides by 0. And, it becomes
1 = SOMETHING * 0.
1 = 0.
Oops, something is wrong with the arithmetic. That’s why we can’t have 0 as the divisor.
Well. Perhaps you are not yet convinced and ask “how about…
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