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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

Two particles, A and B , are in motion in the xy -plane. Their co-ordinates at each instant of time t(t 0) are given by x_A = t, y_A = 2t, x_B = 1 - t and y_B = t . The minimum distance between particles A and B is :

Options

  1. A1/5
  2. B1/ 5
  3. C1
  4. D2/ 5 .

Correct answer

B. 1/ 5

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