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WinfredUmanzor WinfredUmanzor
  • 21-04-2014
  • Mathematics
Answered

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

An + 3
B3n
Cn² - 1,

Can you please explain with some details?

Verified Answer :

runescapememo8 runescapememo8
  • 21-04-2014
B3n
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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