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数学
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设函数f(x)与g(x)的定义域是x∈R且x≠±1,f(x)是偶函数,g(x)是奇函数,且f(x)+g(x)=
1
x−1
.求:f(x)和g(x)的解析式.
人气:352 ℃ 时间:2019-08-17 16:10:50
解答
∵f(x)是偶函数,g(x)是奇函数,∴f(-x)=f(x),且g(-x)=-g(x)由f(x)+g(x)=1x−1 ①得f(−x)+g(−x)=1−x−1,即f(x)−g(x)...
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