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

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)?

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

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

If the parabolas y^(2)=4ax and y^(2)=4c(x-b) have a common normal other than the x -axis (a,b,c being distinct positive real numbers),then prove that (b)/(a-c)>2

If the parabolas y^2=4a x and y^2=4c(x-b) have a common normal other than the x-axis (a , b , c being distinct positive real numbers), then prove that b/(a-c)> 2.

If the parabolas y^2=4a x and y^2=4c(x-b) have a common normal other than the x-axis (a , b , c being distinct positive real numbers), then prove that b/(a-c)> 2.

If the parabolas y^2=4a x and y^2=4c(x-b) have a common normal other than the x-axis (a , b , c being distinct positive real numbers), then prove that b/(a-c)> 2.

If the parabolas y^2=4a x and y^2=4c(x-b) have a common normal other than the x-axis (a , b , c being distinct positive real numbers), then prove that b/(a-c)> 2.