If \( n \) is even, which of the following cannot be odd?

A. \( n + 3 \)

B. \( 3n \)

C. \( n^2 - 1 \)

Please explain with some details.

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)

Answered by runescapememo8 | 2024-06-10

The expression that cannot be odd when n is even is Option B: 3 n , as it is always even. Options A and C can be odd depending on the specific value of n .
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Answered by Anonymous | 2024-12-23