[ 24.The length of sub-normal to the curve xy=a^(2) at (x,y) on it varies as [ 1) x^(2), 2) y^(2), 3) x^(3), 4) y^(3)]]

The length of the normal to the curve y=x^2+1 at (1, 2) is

The length of the normal to the curve y^2=x^3/(2a-x) at (a,a) is

The length of the normal to the curve y=a cos h (x/a) at any point varies as

Find the length of sub-tangent to the curve y=e^(x/a)

The length of the normal of the curve 2x^2+3xy-2y^2=8 at (2, 3) is

Find the length of sub-tangent to the curve y=e^(x//a)

Find the length of sub-tangent to the curve y=e^(x//a)

Find the length of sub-tangent to the curve y=e^(x//a)

[ 26.The sub normal at (x,y) on the curve y^(2)x^(2)=a^(2)(x^(2)-a^(2)) varies as [ 1) x^(2), 2) (1)/(x^(2)), 3) y^(3), 4) (1)/(x^(3))]]

The equation of normal to the curve x^(2)+y^(2)+xy=3 at P(1,1) is