A line l passing through the origin is perpendicular to the lines l_1:(3+t)hati+(-1+2t)hatj+(4+2t)hatk, -oo<t<oo,

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Q 1114556450.     A line l passing through the origin is perpendicular to the lines

l_1:(3+t)hati+(-1+2t)hatj+(4+2t)hatk, -oo
Then the coordinates of the point(s) on l_2, at a distance of sqrt(17) from the point of intersection ofl_1 and l is
JEE 2012 Mains
A

 (7/3,7/3,5/3)

B

(-1,-1,0)

C

(7/9,7/9,8/9)

D

(1,1,1)

#### HINT

the dot product of the directions of both line will be 0

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

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