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受欢迎的代数 >

p^3=64

解答

p^{3} = 64

解答

p = 4, p = - 2 + 23 i, p = - 2 - 23 i

求解步骤

p^{3} = 64

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}

p = 364, p = 364 \frac{- 1 + 3 i}{2}, p = 364 \frac{- 1 - 3 i}{2}

364 = 4

化简

364 \frac{- 1 + 3 i}{2} : - 2 + 23 i

化简

364 \frac{- 1 - 3 i}{2} : - 2 - 23 i

p = 4, p = - 2 + 23 i, p = - 2 - 23 i

作图

流行的例子

x^{4} = 9 x^{2}

x^{3} - 3 x^{2} = - 2 x + 6

z^{3} = 64

x^{3} + 7 x^{2} = 0

1000=x(30-2x)(20-2x)

1000 = x (30 - 2 x) (20 - 2 x)