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Consider the line L(1) : (x-1)/(2)=(y)/(...

Consider the line `L_(1) : (x-1)/(2)=(y)/(-1)=(z+3)/(1), L_(2) : (x-4)/(1)=(y+3)/(1)=(z+3)/(2)` find the angle between them.

A

`4x+y-5z=0`

B

`x-3y+5z=0`

C

`5x-7y+2z=-1`

D

`7x+y-8z=31`

Text Solution

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The correct Answer is:
A, D
`|(x,y,z),(2,-3,1),(1,1,1)|=0,|(x-2, y-1, z+2),(3, -5, 2),(1, 1, 1)|=0`
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