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受欢迎的代数 >

h^3=1

解答

h^{3} = 1

解答

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

求解步骤

h^{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}

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

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

作图

流行的例子

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

0 = 36 x^{3} - 49 x

4 x^{3} + 24 x - x - 6 = 0

x^{3} - 4 x + 4 = 0

s^3+3s^2+2s+3=0

s^{3} + 3 s^{2} + 2 s + 3 = 0