问题描述:
已知集合A={x|x2-3x+2=0},B={x|x2+2(a+1)x+(a2-5)=0} (1)
已知集合A={x|x2-3x+2=0},B={x|x2+2(a+1)x+(a2-5)=0}
(1)若A∩B={2},求实数a的值;
(2)若A∪B=A,求实数a的取值范围
已知集合A={x|x2-3x+2=0},B={x|x2+2(a+1)x+(a2-5)=0}
(1)若A∩B={2},求实数a的值;
(2)若A∪B=A,求实数a的取值范围
问题解答:
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