The parametric equation `x=2a((1-t^(2)))/(1+t^(2)) and y=(4at)/(l+t^(2))` represent a circle of radius

The parametric equations x=(2a(1-t^(2)))/(1+t^(2)) and y=(4at)/(1+t^(2)) represents a circle whose radius is

The parametric equations x=(2a(1-t^(2)))/(1+t^(2)) and y=(4at)/(1+t^(2)) represents a circle whose radius is

The parametre equations x=(2a(1-t^(2)))/(1+t^(2)) and y=(4at)/(1+t^(2)) represents a circle whose radius is

Consider the parametric equation x=(a(1-t^(2)))/(1+t^(2))" and "y=(2at)/(1+t^(2)) What does the equation represent ?

Consider the parametric equation x=(a(1-t^(2)))/(1+t^(2))" and "y=(2at)/(1+t^(2)) What is (dy)/(dx) equal to ?

Consider the parametric equation x=(a(1-t^(2)))/(1+t^(2))" and "y=(2at)/(1+t^(2)) what is (d^(2)y)/(dx^(2)) equal to

Radius of the parametric equation represented by x=2a((1-t^2)/(1+t^2)),y=(4at)/(1+t^2) is

Radius of the parametric equation represented by x = 2a ((1- t ^(2))/(1+t ^(2))),y = (4at)/(1+t ^(2)) is

The conic having parametric representation x=sqrt3(1-t^(2)/(1+t^(2))),y=(2t)/(1+t^(2)) is