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受欢迎的代数 >

2n^2+2n^2=1

解答

2 n^{2} + 2 n^{2} = 1

解答

n = \frac{1}{2}, n = - \frac{1}{2}

+1

十进制

n = 0.5, n = - 0.5

求解步骤

2 n^{2} + 2 n^{2} = 1

同类项相加:

2 n^{2} + 2 n^{2} = 4 n^{2}

4 n^{2} = 1

两边除以

4

n^{2} = \frac{1}{4}

对于

x^{2} = f (a)

解为

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

n = \frac{1}{4}, n = - \frac{1}{4}

\frac{1}{4} = \frac{1}{2}

- \frac{1}{4} = - \frac{1}{2}

n = \frac{1}{2}, n = - \frac{1}{2}

作图

流行的例子

(x+2)^2=2x(x+2)+12

(x + 2)^{2} = 2 x (x + 2) + 12

x (x + 4) = 15 - 6

x^{2} - 4 x + 16 = 18

2 x^{2} - 17 x + 16 = 0

(-a)^2-4(1)(-2a)=0

(- a)^{2} - 4 (1) (- 2 a) = 0