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27 votes
27 votes
(2n) (2m + 1) = [? ]mn + [ In
=
= 2([]mn + [ ]n)
= even

User Tadas T
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1 Answer

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13 votes

Explanation:

(2n)(2m + 1) = 4nm + 2n = 2(2mn + 1n) = even

User Oguz Bilgic
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