zs

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

受欢迎的代数 >

3x^3-3=0

解答

3 x^{3} - 3 = 0

解答

x = 1, x = - \frac{1}{2} + \frac{3}{2} i, x = - \frac{1}{2} - \frac{3}{2} i

求解步骤

3 x^{3} - 3 = 0

将

3

到右边

3 x^{3} = 3

两边除以

3

x^{3} = 1

对于

x^{3} = f (a)

解为

x = 3 f (a), 3 f (a) \frac{- 1 - 3 i}{2}, 3 f (a) \frac{- 1 + 3 i}{2}

x = 1, x = \frac{- 1 + 3 i}{2}, x = \frac{- 1 - 3 i}{2}

化简

\frac{- 1 + 3 i}{2} : - \frac{1}{2} + \frac{3}{2} i

化简

\frac{- 1 - 3 i}{2} : - \frac{1}{2} - \frac{3}{2} i

x = 1, x = - \frac{1}{2} + \frac{3}{2} i, x = - \frac{1}{2} - \frac{3}{2} i

作图

流行的例子

(x - 1)^{4} = 16

x^4-2x^3-13x^2+38x-24=0

x^{4} - 2 x^{3} - 13 x^{2} + 38 x - 24 = 0

(x-1)(x^2-13)=0

(x - 1) (x^{2} - 13) = 0

1x^3-4x^2+1x+6=0

1 x^{3} - 4 x^{2} + 1 x + 6 = 0

x^3-2x^2-15x+30=0

x^{3} - 2 x^{2} - 15 x + 30 = 0