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Question

A line from (–1, 0) intersects the parabola x to the power of 2 end exponent equals 4 y text  at  end text A & B Then the locus of centroid of capital delta OAB is

  1. 3 x to the power of 2 end exponent minus 2 x equals 4 y    
  2. 3 y to the power of 2 end exponent minus 2 y equals 4 x    
  3. 3 x to the power of 2 end exponent plus 2 x equals 4 y    
  4. none of these    

The correct answer is: 3 x to the power of 2 end exponent plus 2 x equals 4 y



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