kasr ratsional ifodalarni ayniy almashtirish

mavzu: kasr ratsional ifodalarni ayniy almashtirish reja: 1. ratsional ifodalarni aynan almashtirish 2. ratsional kasr ifodalarni sodda kasrlarga yoyish ratsional kasr ifodaning eng sodda ko’rinishi ikkita ko’phadning nisbatan (bo’linmasidan) iborat bo’ladi. 1 –t a ’r i f. ikkita pn(x) va qm(x) ko’phadning nisbati algebraik yoki ratsional kasr deyiladi. pn(x) ko’phad ratsional kasrning surati, qm(x) ko’phad esa maxraji deyiladi. shu bilan birga, maxrajda turgan ko’phad nol-ko’phad bo’lmasligi kerak. agar pn(x) va qm(x) ko’phadlar pn(x) = a0xn + a1xn-1 +…+ an-1x + an, qm(x) = b0xm + b1xm-1 +…+ bm-1x + bm kanonik ko’rinishda berilgan bo’lsa, u holda ratsional kasr ifoda ham (1) kanonik ko’rinoshni oladi. agar n≥m bo’lsa, u holda ratsional kasr noto’g’ri, n 0 bo’lganda a-r = (0 < r …

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