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受欢迎的代数 >

s^3=-343

解答

s^{3} = - 343

解答

s = - 7, s = \frac{7}{2} - \frac{7 3}{2} i, s = \frac{7}{2} + \frac{7 3}{2} i

求解步骤

s^{3} = - 343

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}

s = 3 - 343, s = 3 - 343 \frac{- 1 + 3 i}{2}, s = 3 - 343 \frac{- 1 - 3 i}{2}

3 - 343 = - 7

化简

3 - 343 \frac{- 1 + 3 i}{2} : \frac{7}{2} - \frac{7 3}{2} i

化简

3 - 343 \frac{- 1 - 3 i}{2} : \frac{7}{2} + \frac{7 3}{2} i

s = - 7, s = \frac{7}{2} - \frac{7 3}{2} i, s = \frac{7}{2} + \frac{7 3}{2} i

作图

流行的例子

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