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AP EAMCET202422 May 2024Morning ShiftMathematicsVector AlgebraActual

If P=(0,1,2), Q=(4,-2,1) and O=(0,0,0) then POQ =

Options

  1. A6
  2. B4
  3. C3
  4. D2

Correct answer

D. 2

Step-by-step solution

P=(0,1,2), Q=(4,-2,1) and O=(0,0,0) Equation of line O P, x 0 = y 1 = z 2 Equation of line O Q, x 4 = y -2 = z 1 aligned & = (0)(4)+(1)(-2)+(2)(1) (0^2+1^2+2^2 ) (4^2+(-2)^2+1^2 ) & =0 = 2 aligned

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