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受欢迎的代数 >

4x^3=2

解答

4 x^{3} = 2

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

4 x^{3} = 2

两边除以

4

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

18 x^{3} + 5 x = 8 x^{3}

d^4-45d^2+164=0

d^{4} - 45 d^{2} + 164 = 0

x^4+x^3+7x^2+9x=0

x^{4} + x^{3} + 7 x^{2} + 9 x = 0

x^4-3x^3+2x^2-7x-11=0

x^{4} - 3 x^{3} + 2 x^{2} - 7 x - 11 = 0

(4x)^4(0.5)=0.0225

(4 x)^{4} (0.5) = 0.0225