Consider three planes P_1 : x - y + z = 1 P_2 : x + y - z = -1 and P3 : x - 3y + 3z = 2 Let L_1, L_2, L_

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Q 1267534485.     Consider three planes

P_1 : x - y + z = 1

P_2 : x + y - z = -1 and P3 : 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,P_1 and P_2, respectively.

Statement I: At least two of the lines L_1, L_2 and L_3` are non-parallel.

Statement II: The three planes do not have a common point.
JEE 2008
A

Both Statement-1 and Statement-2 are true and Statement-2 is the correct explanations of Statement-1.

B

Both Statement-1 and Statement-2 are true and Statement-2 is not the correct explanation of Statement-1.

C

Statement-1 is true but Statement-2 is false.

D

Statement-1 is false but Statement-2 is true.

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