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math_proof Group TitleBest ResponseYou've already chosen the best response.0
Prove tht \[\forall n \in \mathbb{N} , 7(2^n1) <=> 3n\]
 one year ago

math_proof Group TitleBest ResponseYou've already chosen the best response.0
a hint is to look at the multiplication table (for \[\mathbb{Z}/7\mathbb{Z}\] and computer powers of 2 mod 7, and to notice how they repeat
 one year ago

kajolc.2496 Group TitleBest ResponseYou've already chosen the best response.0
dw:1352059720286:dw
 one year ago

math_proof Group TitleBest ResponseYou've already chosen the best response.0
thats not a proof
 one year ago

kajolc.2496 Group TitleBest ResponseYou've already chosen the best response.0
oh yaa u are right!
 one year ago

math_proof Group TitleBest ResponseYou've already chosen the best response.0
1. it is not a proof 2. 3 divides n means n/3 not 3/n :p
 one year ago

kajolc.2496 Group TitleBest ResponseYou've already chosen the best response.0
sorry :P
 one year ago
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