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Show that the following statement is true by the method of contrapositive. p: If x is an integer and `x^2` is even, then x is also even.

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Show that the following statement is true by the method of contrapositive r: If is x is an integer and x^2 is even, then x is also even.

Show that the statement is true by the method of contradiction. If x is an integer and x^2 is even, then x is also even.

Check whether the following statement is true or not : “If x, y in N are such that x and y are even, then xy is even.”

Write the converse of the following statements. If a number x is even, then x^2 is also even.

Check whether the following statement is true or false by proving its contrapositive : “If x, y in Z , such that xy is odd, then both x and y are odd.”

Whether the following statement is true or false? Give a valid reason for saying so. s: If x and y are integers such that x > y, then -x < - y.

Whether the following statement is true or false ? (x: x is an even prime} = {2}.

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