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ok to vrika...telika evgene me fourier.. parakseno to 3ero

ok.euxaristo toulaxiston gia tin apantisi.. an gnorizi kaneis allos as pei vre paidia!

8a se ektimousa afantasta an m eleges k to tropo(auton i8ela vasika).. den ime fititis tis semfe {-vrika sxetiko auto to topic k eipa na rotiso- } .. dino ma8ima avrio

PAIDIA MPOREI KAPOIOS NA M PEI TO A8ROISMA TIS SEIRAS :
Σ{1/[(2κ+1)^2]} apo k=0 eos to apeiro

INE LIGO EPIGON
EUXARISTO POLY