Then the application of cauchy - inequality is illustrated by proving a proposition or an inequation , solving a triangle , and finding a solution to an equation or the maximum value & minimum value of a function 然后給出了柯西不等式在命題證明、不等式證明、求解三角形問(wèn)題、函數(shù)最值、解方程等方面的應(yīng)用。