求4x^3-3x+0.5=0的解
问题描述:
求4x^3-3x+0.5=0的解
答
没实数解 {x -> 1/2 (1/2 (-1 + I Sqrt[3]))^(1/3) + 1/( 2^(2/3) (-1 + I Sqrt[3])^(1/3))}, {x -> -((1 - I Sqrt[3])/( 2 2^(2/3) (-1 + I Sqrt[3])^(1/3))) - 1/4 (1/2 (-1 + I Sqrt[3]))^( 1/3) (1 + I Sqrt[3]...