A) \[3x+2y+z+1=0\]
B) \[3x+2y+z=0\]
C) \[2x+3y+z=0\]
D) \[x+y+z=0\]
Correct Answer: B
Solution :
Equation of plane passing through the intersection of given planes, is \[(x+2y+3z+4)+\lambda (4x+3y+2z+1)=0\] .....(i) Plane (i) is passing through origin i.e., (0, 0, 0) \ \[4+\lambda =0\] Þ \[\lambda =-4\] Put the value of \[\lambda \] in (i), \[-15x-10y-5z=0\] Þ \[3x+2y+z=0.\]
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