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人気のある代数 >

0.005=2(0.005)(1-(r/(0.005))^2)

解

0.005 = 2 (0.005) (1 - (\frac{r}{0.005})^{2})

解

r = 0.00353 \dots, r = - 0.00353 \dots

解答ステップ

0.005 = 2 (0.005) (1 - (\frac{r}{0.005})^{2})

辺を交換する

2 (0.005) (1 - (\frac{r}{0.005})^{2}) = 0.005

以下で両辺を割る

0.01

1 - (\frac{r}{0.005})^{2} = 0.5

1

を右側に移動します

- (\frac{r}{0.005})^{2} = - 0.5

以下で両辺を割る

- 1

(\frac{r}{0.005})^{2} = 0.5

(g (x))^{2} = f (a)

の場合, 解は

g (x) = f (a), - f (a)

解く

\frac{r}{0.005} = 0.5 : r = 0.00353 \dots

解く

\frac{r}{0.005} = - 0.5 : r = - 0.00353 \dots

二次equationの解:

r = 0.00353 \dots, r = - 0.00353 \dots

グラフ

人気の例

5 x (x - 6) = x - 30

2 a^{2} x^{2} - 6 a x = - 5

2 u^{2} - 7 u = 0

2x^2-x(-sqrt(2))+(-sqrt(2))^2=8

2 x^{2} - x (- 2) + (- 2)^{2} = 8

solvefor x,2x^2-10x-28=0

so l v e f or x, 2 x^{2} - 10 x - 28 = 0