نتایح جستجو

x^2+1/x>=2x ein ghesmate hal ghalate(...) hala namosavie x^2+y^2+z^2+xy+yz+zx>=3+x+y+z be in surat sabet mishe: tebghe AM-GM x^2+y^2+z^2>=2x+2y+2z-3 pas kafie sabet konim x+y+z+xy+yz+zx>=6 ke ein ham tebghe AM-GM & farz bargharare. f

be ein fekr kon ke age dars nakhuni pas chekar koni?i

M vasate BC vasate DE ruye AM gharar dare O mahalle barkhorde ghotrhavasate TP ast ke P tasvire T ruye BC ast H tasvire A ruye BC va N vasate AH ast be ein tartib O ruye parekhatte MN gharar darad

eyvalla be ein ahe hal..mmmmmm

tebghe Coushy darim:j (1/x+1+z)/(x+y+z)^2 >= 1/(x^3+y^2+z) ba neveshtane rabetehaye mesle rin , kafie sabet konim: x^2+y^2+z^2+xy+yz+zx>=3+x+y+z tebghe farz darim: x^2+yz>=x^2+1/x>=2x pas kafie sabet konim x+y+z>=3 ke ein ham bar asase AM-GM & farz bargharare. l

neveshtanesh sakhte dar zemn ... e

az markaz tajanose dayere haye mahati & mohiti migzaran

ba coushy va AM-GM sari"e hal mishe....q

man kheyli bad hal kardamesh...ensha'allah didamet behet neshunesh midam

damaneye mahdud na borde mahdud

bebakhsid kardano ya karnado? hame jaye IRAN sareye man ast.....

kafie az AM-GM estefade konim ...badesh dige tablo'e

a=k b=2k c=10k d=4k

avvalish vase TST Bulgaria.man ba mokhtalrt hallsh kardam vali aghaye Ahmadpur ba yek negahe kamtar az 20 sanie"ei(shukhi nemikonamaaa) ye rahe hale zibaye bordari era'e kardan....

hamash hal shode vali sharmande ke nemitunam bene visam........avvalish kheili kheili khafaneeeee

hal shode vali moteassefane nemitunam benevisamesh... faghat ino begam ke ham sabet mishe pushast va ham ba damaneye mahdud..

vojud nadare..

tarafeyne chapi ro dar f(y) zarb mikonim bad sabet mishe f jam"ei e..... bad dige moshakhase

ba enekas be markaze X sabet mishe ke EY ba FZ movazie ...bad dige hokm badihi'e

Inam vase TST Iran 2009e..... hal kadeam mahale barkhorde EF & BC ro X begir. dayereye 9noghte yadet nare.... j