(2001•江西)设A={x|x2-x=0},B={x|x2+x=0},则A∩B等于( )
A.0
B.{0}
C.∅
D.{-1,0,1}
∵A={x|x2-x=0}={0,1},B={x|x2+x=0}={0,-1},则A∩B={0 },
故选B.
(2001•江西)设A={x|x2-x=0},B={x|x2+x=0},则A∩B等于( )
A.0
B.{0}
C.∅
D.{-1,0,1}
∵A={x|x2-x=0}={0,1},B={x|x2+x=0}={0,-1},则A∩B={0 },
故选B.