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受欢迎的代数 >

1-2x^3=0

解答

1 - 2 x^{3} = 0

解答

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

求解步骤

1 - 2 x^{3} = 0

将

1

到右边

- 2 x^{3} = - 1

两边除以

- 2

x^{3} = \frac{1}{2}

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

3 \frac{1}{2} = \frac{1}{3 2}

化简

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

化简

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

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

作图

流行的例子

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