The degree and order of the differential equation of the family of all parabolas whose axis is x-axs are respectively

Write the order of the differential equation of the family of circles of radius r .

The order and degree of the differential equation of the family of ellipse having the same foci, are respectively

The degree and order of D. E of family of all parabolas whose axis is X axis are

The order and degree of the differential equation of all tangent lines to the parabola y=x^2 is

If a and b are arbitrary constants, then the order and degree of the differential equation of the family of curves ax^(2)+by^(2)=2 respectively are

The differential equation of all parabolas whose axis are parallel to the y-axis is

The differential equation of all parabolas whose axis are parallel to the y-axis is

The differential equation of all parabolas whose axis are parallel to the y-axis is

The differential equation of all parabolas whose axis are parallel to the y-axis is

The order of the differential equation of the family of parabolas symmetric about y=1 and tangent to x = 2 is