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Giaan Agate
Asked: 2022-11-09T08:14:10+05:30 In:

Value of `lamda` such that the line `(x-1)/(2)=(y-1)/(3)=(z-1)/(lamda)` is `bot` to normal to the plane `vecr.(2veci+3vecj+4veck)=0` is
A. `-(13)/(4)`
B. `-(17)/(4)`
C. 4
D. none of these

Value of `lamda` such that the line `(x-1)/(2)=(y-1)/(3)=(z-1)/(lamda)` is `bot` to normal to the plane `vecr.(2veci+3vecj+4veck)=0` is
A. `-(13)/(4)`
B. `-(17)/(4)`
C. 4
D. none of these
Parabola
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1 Answer

  1. Correct Answer – a
    Since line is parallel to the plane, vector `2hati+3hatj+lamdahatk` is perpendicular to the normal to the plane
    `2hati + 3hatj+ 4hatk`
    `rArr” “2xx2+ 3xx3 + 4lamda =0`
    or `” “lamda = – (13)/(4)`

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