Multimi in N*

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alex2008
Leibniz
Posts: 464
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Location: Tulcea

Multimi in N*

Post by alex2008 »

Sa se determine toate multimile \( \{a_1;a_2;...;a_n\}\subset \mathb{N}^* \) astfel incat \( a_1^3+a_2^3+...+a_n^3=(a_1+a_2+...+a_n)^2 \) , \( (\forall)n\ge 1 \) .
. A snake that slithers on the ground can only dream of flying through the air.
mihai++
Bernoulli
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Joined: Wed Nov 28, 2007 8:08 pm
Location: Focsani

Post by mihai++ »

faci inductie dupa n pt \( p(k): a_k=k \).
n-ar fi rau sa fie bine :)
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