数学题,在线解答,要过程已知集合A={x┃(x^2+ax+b)(a-1)=0}.集合B满足条件A∩B={1,2},若U∈B且A∩(CuB)={3},求a+b的和.答案是1?怎么算的?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 22:16:10
![数学题,在线解答,要过程已知集合A={x┃(x^2+ax+b)(a-1)=0}.集合B满足条件A∩B={1,2},若U∈B且A∩(CuB)={3},求a+b的和.答案是1?怎么算的?](/uploads/image/z/13317238-46-8.jpg?t=%E6%95%B0%E5%AD%A6%E9%A2%98%2C%E5%9C%A8%E7%BA%BF%E8%A7%A3%E7%AD%94%2C%E8%A6%81%E8%BF%87%E7%A8%8B%E5%B7%B2%E7%9F%A5%E9%9B%86%E5%90%88A%3D%7Bx%E2%94%83%28x%5E2%2Bax%2Bb%29%28a-1%29%3D0%7D.%E9%9B%86%E5%90%88B%E6%BB%A1%E8%B6%B3%E6%9D%A1%E4%BB%B6A%E2%88%A9B%3D%7B1%2C2%7D%2C%E8%8B%A5U%E2%88%88B%E4%B8%94A%E2%88%A9%EF%BC%88CuB%29%3D%7B3%7D%2C%E6%B1%82a%2Bb%E7%9A%84%E5%92%8C.%E7%AD%94%E6%A1%88%E6%98%AF1%3F%E6%80%8E%E4%B9%88%E7%AE%97%E7%9A%84%3F)
xSNQ~cb24
m3V1A,RV
nm YsWBKԤMfs9,|SƂwOq|_,F~'p͵?D6♛N->cAq_xxyƁQJ>FeZ;z;o1^kRMSxy)AQY +0d0 %ѥvS_rj?>#AOk9{{S7=xLQ&'VQ3Virz$=qt;i*H*++ t<'yFQd(W;ɬwyEQ&rhCbYYU]