已知集合A={x|y=x2-2x-3,x∈R},B={y|y=x2-2x-3,x∈R},C={(x,y)|y=x2-2x-3,x,y∈R}
已知集合A={x|y=x2-2x-3,x∈R},B={y|y=x2-2x-3,x∈R},C={(x,y)|y=x2-2x-3,x,y∈R}
已知集合A={x|y=x2-2x-3,x∈R},B={y|y=x2-2x-3,x∈R},
C={(x,y)|y=x2-2x-3,x,y∈R},D={(x,y)|(y+3)/(x-2)=1,x,y∈R}求A∩B,B∩C,C∩D
已知集合A={x|y=x2-2x-3,x∈R},B={y|y=x2-2x-3,x∈R},
C={(x,y)|y=x2-2x-3,x,y∈R},D={(x,y)|(y+3)/(x-2)=1,x,y∈R}求A∩B,B∩C,C∩D
数学人气:744 ℃时间:2020-01-28 16:12:13
优质解答
A∩B=(-3,+∞),B∩C=空集,C∩D={(1,-4),(2,-3)}
我来回答
类似推荐
猜你喜欢
- 1用“静”组词,填在( )里.1、一天夜里,贝多芬在莱茵河边的一条( )的小路上散步.
- 2第三课草虫的村落蜥蜴和小甲虫在交流着______速度速度
- 3I just want someone tell me why ,but he cannot do that
- 4重力变化
- 5含有[g]音标的单词
- 6Look at------ ------------ is crying [she,her]
- 7“我永远爱你们”的英文怎么写?
- 8My friend often - (play in the zoo on sundays.- - 填 The gIRL OFTEN -- (draW PiCTURES IN THE PARK
- 9已知AD是 等边三角形ABC的高,BE是 AC边上的中线,AD与BE交与点F,则
- 10mary always (plays sports) after school对划线部分提问