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STD 12 - 11. three dimension geometry — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - 11. three dimension geometry4 Marks
MCQ
Image of the point with position vector $2\hat i + \hat j + 3\hat k$ in the line whose vector equation is $\vec r = \hat j - 2\hat k + \lambda \left( {\hat i + \hat j - \hat k} \right)$ has the position vector 
  • ✓
    $ - 4\hat i\, - \,\hat j\, - 5\hat k$
  • B
    $ - 4\hat i\, - \,5\hat j\, - \hat k$
  • C
    $ - \hat i\, - \,4\hat j\, - 5\hat k$
  • D
    $ - 4\hat i\, + \,\hat j\, - 5\hat k$
✓

Answer

Correct option: A.
$ - 4\hat i\, - \,\hat j\, - 5\hat k$
a

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