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二项式定理是高中课本中的重要内容,是高考的热点.在近年全国各地的高考试卷中,与二项式定理有关试题屡见不鲜,题型以选择题、填空题为主.为了帮助读者在2014年的高考复习中提高效率,本文分类例析近年高考试题中二项式定理的应用,供读者复习参考.一、求二项展开式中的常数项例1(2013年天津卷)(1x-)6的二项槡x展开式中的常数项为.分析:先求二项展开式的通项公式,再令未
Binomial theorem is an important part of high school textbooks, is a hot college entrance examination in recent years throughout the country’s college entrance examination papers, and the binomial theorem-related questions are common, questions to multiple-choice questions, fill in the blank questions mainly in order to help readers In 2014 college entrance examination review to improve efficiency, this article classification analysis of college entrance examination papers in recent years, the binomial theorem application, for readers to review reference. First, find the binomials expansion of constant item 1 (Tianjin 2013) (1x -) 6 The binomial 槡 x expansion in the constant term is. Analysis: First seek the expansion formula of the general formula, and then did not