If x is an odd integer and y is an even integer, which of the following statements is (are) always true? 1. X+Y is odd. 2. XY is odd. 3. 2X+Y is even.
Created: 6 years ago |
Updated: 2 years ago
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1. Addition of odd and even integers yields odd intgers. Example: 4 + 3 = 7. So, statement 1 is true.
2. Multiplication of odd and even integers yields even integers. Example: 4x3 = 12. So, statement 2 is false.
3. 2x is even and y is also even. So, 2x + y is even. Therefore, statement 3 is true.
Md Azizur Rahman
Founder of Satt
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