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QATOR

QATOR, qatori beintiho, (dar matematika) ifodai namudi …guyand, ki uzvhoyashon (Q. adadi) yo funksiyaho (Q-i funksionali) meboshand. Agar hosili jami p — uzvi avvali (summai khususi) Q. Sn — …. hangomi beintiho afzudani p ba yagon hududi muayyani S mayya kunad, on goh S-po summai qator, khudi N-ro nazdikshavanda menomand, dar holati aks Q. durshavanda nomida meshavad. Mas., progressiyai geometrii beokhir 1 + ya + <g + — + 4-gn 4- … dar mavridi |g| < 1 bu-dan, Q,.-i nazdikshavanda meboshad va summai on ba S = barobar ast; qatori garmoniki durshavanda meboshad.

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SATHI VINTI

SATHI VINTI, sathest, ki khati £ hangomi dar girdi mehvari nojunboni OO’ bo surati kunjii …