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人気のある代数 >

19x^3=216

解

19 x^{3} = 216

解

x = \frac{6}{3 19}, x = \frac{6 ( - \frac{1}{2} + \frac{3}{2} i )}{3 19}, x = \frac{6 ( - \frac{1}{2} - \frac{3}{2} i )}{3 19}

解答ステップ

19 x^{3} = 216

以下で両辺を割る

19

x^{3} = \frac{216}{19}

x^{3} = f (a)

では, 解は

x = 3 f (a), 3 f (a) \frac{- 1 - 3 i}{2}, 3 f (a) \frac{- 1 + 3 i}{2}

x = 3 \frac{216}{19}, x = 3 \frac{216}{19} \frac{- 1 + 3 i}{2}, x = 3 \frac{216}{19} \frac{- 1 - 3 i}{2}

3 \frac{216}{19} = \frac{6}{3 19}

簡素化

3 \frac{216}{19} \frac{- 1 + 3 i}{2} : \frac{6 ( - \frac{1}{2} + \frac{3}{2} i )}{3 19}

簡素化

3 \frac{216}{19} \frac{- 1 - 3 i}{2} : \frac{6 ( - \frac{1}{2} - \frac{3}{2} i )}{3 19}

x = \frac{6}{3 19}, x = \frac{6 ( - \frac{1}{2} + \frac{3}{2} i )}{3 19}, x = \frac{6 ( - \frac{1}{2} - \frac{3}{2} i )}{3 19}

グラフ

人気の例

x^4-40x^2+144=0

x^{4} - 40 x^{2} + 144 = 0

x^{5} = 2 3^{10}

2 x^{3} + x^{2} + 25 = 0

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

-15(x+6)^3(2x-3)^2=0

- 15 (x + 6)^{3} (2 x - 3)^{2} = 0