Solución

a. 2y+3z1=0−2y+3z−1=0
b. 0,2,3x1,y1,z1=0\lang 0,−2,3\rang\cdot\lang x−1,y−1,z−1\rang =0
c. x=0,y=2t,z=3t,tR x=0,y=−2t,z=3t, t\isin\Reals