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If the vectors i -x j -y k and i +x j -y k are orthogonal to each other, then what is the locus of the point (x, y) ?

Options

  1. Aa parabola
  2. Ban ellipse
  3. Ca circle
  4. Da straight line

Correct answer

B. an ellipse

Step-by-step solution

gathered 1(1)+(-x)(x)+(-y)(y)=0 1-x^2-y^2=0 x^2+y^2=1 . gathered

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