解该一元三次方程:8x^3-6x-1=0多谢
问题描述:
解该一元三次方程:8x^3-6x-1=0多谢
答
只有一个实数根:
x1=0.9032219661793863
x2=-0.07661098308969316+0.36403873808215414i
x3=-0.07661098308969316-0.36403873808215414i
答
x1=-0.766044443
x2=0.939692621
x3=-0.17364818