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近几年高考数列试题灵活新颖,综合交融,考查了学生一般数学能力.局部不难,但综合起来就有一定的深度.强调知识的交融性,在知识的交汇处命题,要求学生对试题有“分解”能力,有“确认”的能力.一、与解几结合例1设P1(x1,y1),P2(x2,y2),…,Pn(xn,yn)(n≥3,n∈N)是二次曲线C上的点,
In recent years, the number of college entrance examination questions has been flexible and novel, comprehensively blended, and the general mathematics abilities of students have been examined. Localities are not difficult, but there is a certain degree of integration. Emphasis on the blending of knowledge, propositions at the intersection of knowledge, and asking students to have questions on the questions “Decomposition” ability, there is the ability to “confirm”. First, the solution with a few cases of combination 1 Let P1 (x1, y1), P2 (x2, y2), ..., Pn (xn, yn) (n ≥ 3, n ∈) N) is the point on quadratic curve C,