indirect proof 3 Prove that if n^3+5 is odd then n is even contradiction contraposition

indirect proof 3 Prove that if n^3+5 is odd then n is even contradiction contraposition

[series_shorts]

Thanks you sir .. These video is so many best .. Good luck sir ..

[Tnt-ywqt]

Hi Great video thanks BTW what software did you use ?

[SuperSmudge]

but how can you prove it by direct proof? any idea? :(

[mohso]

my proof
even*even*even=even
even+odd=odd
end of proof