### Question Asked by a Student from EXXAMM.com Team

Q 1105412368.     Consider three planes

P_1= x-y+z=1

P_2=x+y-z=-1

P_3=x-3y+3z=2

Let L_1, L_2, L_3 be the lines of intersection of the planes P_2 and P_3, P_3 and P_1, and P_1 and P_2 respectively.

STATEMENT -1 : At least two of the lines L_1, L_2 and L_3 are non-parallel.

STATEMENT -2 : The three planes do not have a common point.
JEE 2008 A Statement-1 is True, Statement -2 is True; Statement-2 is a correct explanation for Statement-1

B Statement -1 is True, Statement -2 is True; Statement-2 is NOT a correct explanation for Statement-1

C Statement -1 is True, Statement -2 is False

D Statement -1 is False, Statement -2 is True

#### HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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