Prepei na omologhsw oti ekseplaghn apo ta polla emails poy elaba, nomizw
oti oloi apanthsate swsta.
Parathetw th lysh toy Vaggelh toy Kapoula mias kai kathise o an0rwpos na
grapsei th lysh se fixed font:
Estw
__________________
/ ___________
x = \ / 2+ \ / _____
\/ \/ 2+ \/2+ ...
Tote
/ __________________ \ 2
2 | / ___________ |
x = | \ / 2+ \ / _____ | =
| \/ \/ 2+ \/2+ ... |
\ /
__________________
/ ___________
= 2 + \ / 2+ \ / _____ =
\/ \/ 2+ \/2+ ...
= 2 + x =>
2
=> x - x - 2 = 0 => x = 2 n x = -1
Bebaiws, etsi opws diatypwthike to problhma, ennoeitai oti h thetikh riza
einai monaxa apodekth, opote x = 2. Kanonika bebaia tha eprepe na elege
x=+/-(Sqrt(2+...)), opote kai h x=-1 tha htan apodekth.
Swsta apanthsan (me seira poy elaba ta mhnymata):
trabukos
Sofia Anagnostopoulou
Dimitris Mavroidis
Haido Drakou (m'arese h ekshghsh soy)
Vaggelis Kapoulas (h pio oloklhrwmenh lysh no.1- me oloklhrwmenh ekshghsh)
Yannis Chatzigiannelis (h pio oloklhrwmenh lysh no.2- me akoloythies)
Eis to epanidein
Filika,
Yiannis
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