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平面向量是高中数学的内容,是近几年高考中的一个重点.向量是数形结合的产物,既具有代数的抽象性和严谨性,又具有几何的直观性,在用向量解题时,充分运用数形结合思想,能将复杂问题简单化.一、向量在代数中的应用用向量解决代数中的问题,主要是用在等式不等式证明题、函数极值求解、线性规划等方面.虽然用向量可以简化复杂且抽象的代数题目,但是却没有固定的应用方法,一般是将数转化为向量,运用向量的数量积或是将其放在几何图形中利用
Plane vector is the content of high school mathematics, which is one of the key points in college entrance examination in recent years.Vector is the product of the combination of number and form, which not only has the abstraction and rigor of algebra, but also has the geometric intuition. The full use of numerical combination of ideas, can simplify complex problems.First, vector in algebra The use of vector to solve the problem in algebra, is mainly used in the proof of equality inequality, the function of extreme solution, linear programming and so on. Although using vectors can simplify complex and abstract algebraic topics, there is no fixed way to apply them, usually converting numbers into vectors, applying the number product of vectors, or placing them in geometry