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受欢迎的代数 >

5/(x-3)-2/(x-2)=11

解答

\frac{5}{x - 3} - \frac{2}{x - 2} = 11

解答

x = \frac{29 + 71}{11}, x = \frac{29 - 71}{11}

+1

十进制

x = 3.40237 \dots, x = 1.87035 \dots

求解步骤

\frac{5}{x - 3} - \frac{2}{x - 2} = 11

乘以最小公倍数

5 (x - 2) - 2 (x - 3) = 11 (x - 3) (x - 2)

解

5 (x - 2) - 2 (x - 3) = 11 (x - 3) (x - 2) : x = \frac{29 + 71}{11}, x = \frac{29 - 71}{11}

x = \frac{29 + 71}{11}, x = \frac{29 - 71}{11}

验证解

找到无定义的点（奇点）:

x = 3, x = 2

将不在定义域的点与解相综合:

x = \frac{29 + 71}{11}, x = \frac{29 - 71}{11}

作图

流行的例子

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