【摘要】 运用线性方程组的理论和Cramer法则研究多项式根的问题,给出了n次实系数多项式重根的存在性判别定理,同时建立了n次实系数多项式实重根的求根公式。更多还原

【Abstract】 The existence of multiple roots of a polynomial is studied with theory of homogeneous linear equations and Cramer law.We give the discriminant theorem of the multiple roots of polynomial of degree n-with real coefficients and obtain formula of solution on multiple roots of polynomial of degree n-with real coefficients.更多还原