(已知集合U={(x,y)丨y=3(x-1)+2},A={(x,y)丨(y-2)/(x-1)=3}則A的補(bǔ)集為?
(已知集合U={(x,y)丨y=3(x-1)+2},A={(x,y)丨(y-2)/(x-1)=3}則A的補(bǔ)集為?
(y-2)/(x-1)=3這一步怎么化簡(jiǎn)說詳細(xì)點(diǎn).還有結(jié)果
(y-2)/(x-1)=3這一步怎么化簡(jiǎn)說詳細(xì)點(diǎn).還有結(jié)果
數(shù)學(xué)人氣:710 ℃時(shí)間:2020-06-23 19:58:49
優(yōu)質(zhì)解答
∵集合U={(x,y)丨y=3(x-1)+2}={(x,y)|y=3x-1},x取任意A={(x,y)|(y-2)/(x-1)=3}={(x,y)|y=3x-1,且x≠1},x≠1∴∁UA={(1,2)},故答案為 {(1,2)}.PS:(y-2)/(x-1)=3這一步怎么化簡(jiǎn)?:就是移...
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