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Condition for which y^2 = 4ax and x^2 = ...

Condition for which `y^2 = 4ax` and `x^2 = 4by` have common tangent

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The condition that the parabolas y^2=4c(x-d) and y^2=4ax have a common normal other than X-axis (agt0,cgt0) is

The condition that the parabolas y^2=4c(x-d) and y^2=4ax have a common normal other than X-axis (agt0,cgt0) is

The condition that the parabolas y^2=4c(x-d) and y^2=4ax have a common normal other than X-axis (agt0,cgt0) is

If the parabolas y^2 = 4b (x - c) " and " y^2 = 8ax have a common tangent, then which one of the following is a valid choice for the ordered triad (a, b, c)?

Obtained the condition that the parabola y^(2)=4b(x-c)andy^(2)=4ax have a common normal other than x-axis (agtbgt0) .

The equation of the common tangent to the parabolas y^2= 4ax and x^2= 4by is given by

The equation of the common tangent to the parabolas y^2= 4ax and x^2= 4by is given by

The equation of the common tangent to the parabolas y^2= 4ax and x^2= 4by is given by

The circles x^(2) +y^(2) + 2ax +c =0 and x^(2) +y^(2) +2bx +c =0 have no common tangent if