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AP EAMCET201824 Apr 2018Evening ShiftMathematicsVector AlgebraActual

If ( i + j + k ),( i +2 j +3 k ) and (2 i - j + k ) are the position vectors of the vertices A, B and C of ABC respectively, then the vector equation of the altitude through A is

Options

  1. Ar = i + j + k +t( i +2 j +3 k )
  2. Br = i + j + k +t(2 i - j + k )
  3. Cr = i + j + k +t( i - j +2 k )
  4. Dr = i + j + k +t(4 i +2 j +4 k )

Correct answer

C. r = i + j + k +t( i - j +2 k )

Step-by-step solution

No solution. Refer to answer key.

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