Question

4X^3－12X＋1＝0 （只求0到1间的根,是确切值而不是近似值）:-)

Answer 1

2/((63^(1/2)*i) - 1)^(1/3) + ((63^(1/2)*i)/8 - 1/8)^(1/3)

- 1/((63^(1/2)*i) - 1)^(1/3) - ((63^(1/2)*i) - 1)^(1/3)/4 - (3^(1/2)*i*(1/((63^(1/2)*i)/8 - 1/8)^(1/3) - (1/8*63^(1/2)*i - 1/8)^(1/3)))/2