If x and y are both odd integers, which of the followings must also be odd? i)x2+y ii) 2x2+2y iii) x2yWhich are correct?

Question

If x and y are both odd integers, which of the followings must also be odd? i)x2+y               ii) 2x2+2y                    iii) x2yWhich are correct?

Accepted Answer

সঠিক উত্তর: iii only । ব্যাখ্যা:

If x and y are both odd integers, which of the followings must also be odd? i)x²+y ii) 2x²+2y iii) x²yWhich are correct?

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