设集合A={(X,y)/2x+y=6},B={(x,y)/3x+2y=4}满足C含于(A∩B)的集合C的个数为_____
问题描述:
设集合A={(X,y)/2x+y=6},B={(x,y)/3x+2y=4}满足C含于(A∩B)的集合C的个数为_____
答
集合A={(X,y)/2x+y=6},B={(x,y)/3x+2y=4}满足C含于(A∩B)的集合C的个数为_2____
AnB={(x,y)|(8,-10)}
所以,集合C={(8,-10)}和空集.共有二个.