A.x-3y-2z=0 B.x+3y-2z-6=0 C.x-3y+2z+4=0 D.x+3y+2z-2=0
A.0(J) B.980(J) C.5880(J) D.2940(J)
A.λ0=2μ B.λ=μ C.μ0=2λ D.λ=-μ