If focus of a parabola is (2, 0) and one extremity of latus return is (2,2), then its equation is

  • Option 1)

    y2= 4(3-x)

  • Option 2)

    y2 = 4x - 4

  • Option 3)

    both (a) and (b)

  • Option 4)

    none of these

 

Answers (1)

 

Standard equation of parabola -

y^{2}=4ax

- wherein

 

 y^{2}= 4(x-1)

y^{2}= -4(x-3)

y^{2}= 4(3-x)


Option 1)

y2= 4(3-x)

This solution is incorrect

Option 2)

y2 = 4x - 4

This solution is incorrect

Option 3)

both (a) and (b)

This solution is correct

Option 4)

none of these

This solution is incorrect

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