Let a real number, let . We have and and of course , we will useequalities like , with . We have Thus But We deduce Or Or And Or And Or And And If we take and , it is absurd ! We dit not multiply or divide by zero !
Let a real number, let . We have and and of course , we will useequalities like , with . We have Thus But We deduce Or Or And Or And Or And And If we take and , it is absurd ! We dit not multiply or divide by zero !