what is wrong with my understanding ??
Since X is odd , X ^ 2 will always be odd.
Now , (Odd - 1 ) = Even ....
Even / 2 = Could be ODD or EVEN ( Eg : 12/2 or 14/2)
So the expression cannot be even always....so must be even fails???
Since X is odd , X ^ 2 will always be odd.
Now , (Odd - 1 ) = Even ....
Even / 2 = Could be ODD or EVEN ( Eg : 12/2 or 14/2)
So the expression cannot be even always....so must be even fails???
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