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受欢迎的代数 >

100^2+x^2=200^2

解答

10 0^{2} + x^{2} = 20 0^{2}

解答

x = 1003, x = - 1003

+1

十进制

x = 173.20508 \dots, x = - 173.20508 \dots

求解步骤

10 0^{2} + x^{2} = 20 0^{2}

将

10 0^{2}

到右边

x^{2} = 30000

对于

x^{2} = f (a)

解为

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

x = 30000, x = - 30000

30000 = 1003

- 30000 = - 1003

x = 1003, x = - 1003

作图

流行的例子

- 0.3 x^{2} + 12 x = 0

12x^2-360x+2000=0

12 x^{2} - 360 x + 2000 = 0

solvefor x,3x^2-x^2y+y^4=1

so l v e f or x, 3 x^{2} - x^{2} y + y^{4} = 1

solvefor x,9x^2+4y^2+z^2=36

so l v e f or x, 9 x^{2} + 4 y^{2} + z^{2} = 36

z^{2} - 12 z + 6 = 0