已知集合A={x丨x²+ax+12b=0}和B={x丨x²-ax+b=0}满足(CRA)∩B={2},A∩(CRB)={4}求实数a,b

问题描述:

已知集合A={x丨x²+ax+12b=0}和B={x丨x²-ax+b=0}满足(CRA)∩B={2},A∩(CRB)={4}求实数a,b