Mathematics
Ice2003
16

If n is even, which of the following cannot be odd? a) n + 3 b) 3n c) n² - 1, Can you please explain with some details?

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(1) Answers
Lesch386

b) 3n well, first of all, you can try it out with numbers like 4,6,28... 3(4) =12 3(6) =18 3(28) =84 also, you can disprove the other theories a) 0+3=3 (odd) b) 4^2-1=15 (odd)

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