Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Passage: Onye nwere ike iwere Taylor gbasaa n'akụkụ aka nri, ma ọ bụ tinye usoro nkewa ogologo oge maka polynomials. Malite n'aka ekpe, mmadụ nwere ike ịgbaso usoro heuristics dị n'elu ma gbalịa ịba ụba site na (1 + x) ugboro abụọ ma ọ bụ squaring usoro geometric 1 − x + x2 −.... O yiri ka Euler ọ na-atụ aro ka e mee ka usoro nke ikpeazụ ahụ dị iche site na okwu. N'echiche nke oge a, usoro 1 − 2x + 3x2 − 4x3 +... adịghị akọwa ọrụ na x = 1, nke mere na a pụghị iji uru dochie anya ya n'ime okwu na-esite na ya. Ebe ọ bụ na a kọwapụtara ọrụ ahụ maka ihe niile x <unk> < 1, mmadụ ka nwere ike were oke ka x na-abịaru 1, nke a bụ nkọwa nke Abel sum:  Ajụjụ: Kedu ụzọ ọzọ na-abụghị Taylor gbasaa iji dozie okwu ahụ?
usoro nkewa ogologo oge