2019届人教版高中数学必修一知识点总结

11.2.(1)(2)HAPPY{H,A,P,Y}(3):{a,b,c}{a,c,b}3.{}{}{,,,}(1)A={},B={1,2,3,4,5}(2)NN*N+ZQR1{a,b,c}2{xR|x-32},{x|x-32}3{}4Venn:4(1)(2)(3){x|x2=51.BA1AB2AB:AB,BA,ABBA2A=B(55555=5)A={x|x2-1=0}B={-1,1}AA:AB,ABABAB(BA)AB,BC,ACABBAA=B3.:n2n2n-1AB,A,BABABABA,BABABSASSASAACSSAB=x|xAxBAB={x|xAxB})CSA=},|{AxSxxAB1AB2AA=AA=AB=BAABAABBAA=AA=AAB=BAABABB(CuA)(CuB)=Cu(AB)(CuA)(CuB)=Cu(AB)A(CuA)=UA(CuA)=1.ABCD2.{abc}3.M={y|y=x2-2x+1,xR},N={x|x0}MN.4.A=12xxB=xxaABa5.50403146.M=.7.A={x|x2+2x-8=0},B={x|x2-5x+6=0},C={x|x2-mx+m2-19=0},BCAC=m1ABfAxBf(x)fABABy=f(x)xAxxAxy{f(x)|xA}1x(1)(2)(3)(4)1.(5).x.(6)(7).()(212)SA