已知M={a-3,2a-1,a2+1},N={-2,4a-3,3a-1},若M=N,则实数a=
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![已知M={a-3,2a-1,a2+1},N={-2,4a-3,3a-1},若M=N,则实数a=](/uploads/image/z/1710372-12-2.jpg?t=%E5%B7%B2%E7%9F%A5M%3D%7Ba-3%2C2a-1%2Ca2%2B1%7D%2CN%3D%7B-2%2C4a-3%2C3a-1%7D%2C%E8%8B%A5M%3DN%2C%E5%88%99%E5%AE%9E%E6%95%B0a%3D)
已知M={a-3,2a-1,a2+1},N={-2,4a-3,3a-1},若M=N,则实数a=
已知M={a-3,2a-1,a2+1},N={-2,4a-3,3a-1},若M=N,则实数a=
已知M={a-3,2a-1,a2+1},N={-2,4a-3,3a-1},若M=N,则实数a=
a^2+1>0
∴①a-3=-2 a=1
M={-2,1,2} N={-2,1,2}
②2a-1=-2 a=-1/2
M={-7/2,-2,5/4} N={-2,-5,X}```舍去
A=1