x2＋6.3×0.0001x=6.3×0.000001
答案:1 悬赏:30
解决时间 2021-02-21 02:24
- 提问者网友：兔牙战士
- 2021-02-20 14:33
x2＋6.3×0.0001x=6.3×0.000001
最佳答案
- 二级知识专家网友：逃夭
- 2021-02-20 14:48
x²＋6.3*0.0001x=6.3*0.000001
x²＋6.3*0.0001x+(6.3*0.0001/2)²=6.3*0.000001+(6.3*0.0001/2)²
(x+6.3*0.0001/2)²= 0.001²*（6.3+6.3²*0.01/4）= 0.001²*25.5969/2²
x+0.00063/2 ≈ ± 0.00506/2
x1 ≈ -0.002845
x2 ≈ 0.002215
x²＋6.3*0.0001x+(6.3*0.0001/2)²=6.3*0.000001+(6.3*0.0001/2)²
(x+6.3*0.0001/2)²= 0.001²*（6.3+6.3²*0.01/4）= 0.001²*25.5969/2²
x+0.00063/2 ≈ ± 0.00506/2
x1 ≈ -0.002845
x2 ≈ 0.002215
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