The line of intersection of the planes ` vec r . (3 hat i - hat j + hat k) = 1` and ` vec r . ( hat i + 4 hat j - 2 hat

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Q 2711134029.     The line of intersection of the planes ` vec r . (3 hat i - hat j + hat k) = 1` and ` vec r . ( hat i + 4 hat j - 2 hat k) = 2` , is ;
JEE 2017 Mains 8 April
A

`( x - 4/7)/(-2) = y/7 = (z - 5/7)/(13)`

B

`( x - 6/(13))/2 = ( y - 5/(13))/7 = z/(-13)`

C

`( x - 4/7)/(-2) = y/(-7) = (z + 5/7)/(13)`

D

`( x - 6/(13))/2 = ( y - 5/(13))/(-7) = z/(-13)`

HINT


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

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