Q.

The line of intersection of the planes x+y+z-1=0, 4x+y-2z+2=0 passes through the point

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a

1,0,1

b

2,0,1

c

(0,0,1)

d

(1,0,0)

answer is C.

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Detailed Solution

The equations of the given plane are x+y+z-1=0, 4x+y-2z+2=0Substitute y=0 in the above equations and then solve for the other two variables.Hence, x=0,z=1One of the points on the line of intersection of two planes is 0,0,1
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