The straight line `r = (hat i- hat j + hat k) + lamda (2 hat i + hat j + 3 hat k)` and the plane `r . (2 hat i + hat j-

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Q 1605678568.     The straight line `r = (hat i- hat j + hat k) + lamda (2 hat i + hat j + 3 hat k)`
and the plane `r . (2 hat i + hat j- hat k) = 4` are
GGSIPU 2014
A

perpendicular to each other

B

parallel

C

inclined at an angle `60^0`

D

None of these

HINT


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

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