摘要
通过对三次方程和四次方程的解法的探究,揭示了换元法、配方法、待定系数法在解方程中的应用,为解其他整式方程提供了一些借鉴.
Via exploring the solution of cubic equation and quartic equation,the application of methods of substitution,completing square,and undetermined are proclaimed.It takes examples for solving Integral equation.
关键词
解方程
换元法
配方法
待定系数法
solve equation
method of substitution
method of completing square
method of undetermined coefficients
