AB vatarning burchak koeffitsientini, o‘ng tomoni esa egri chiziqqa parametrning t=c qiymatiga mos keladigan nuqtasida o‘tkazilgan urinmaning burchak koeffitsientini anglatadi. Demak, Koshi formulasi AB yoyning AB vatarga parallel bo‘lgan urinmasining mavjudligini ta’kidlaydi ekan.
Misol. Ushbu f(x)=x2 va (x)= funksiyalar uchun [0,4] kesmada Koshi formulasini yozing va s ni toping.
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