1.

Statement : if a natural number is even, then is square is also even. write this statement in 5 different forms of the same meaning.

Answer»

Solution :(1).(i) a natural number is even imlies that its square is even.
(ii) a natural number is even only if its square is even.
(iii) for a natural number to be even it is NECESSARY that its square is even.
(IV) for the square of a natural number to be even it is sufficient the number is even.
(V) if the square of a natural number is not even, then the natural number is not even.


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