The length of normal at any point to the curve, `y=c cosh(x/c)` is

The length of the normal to the curve y=c cos ((hx)/c) at any point is

The length of the subtangent at any point on the curve y=be^(x/3) is

The value of n for which the length of the sub- normal at any point of the curve y^(3)=a^(1-n)x^(2n) must be constant is

The length of subtangent at any point of the curve log y = 25x is

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

The sub normals at any point of the curve y = x^(n) is constant. Then n=

[ Length of the normal to the curve at any point on the curve y=(a(e^(x/a)+e^(-x/a)))/(2) varies as [ 1) x, 2) x^(2), 3) y , 4) y^(2)]]

If length of tangent at any point on the curve y=f(x) intercepted between the point and the x -axis is of length l. Find the equation of the curve.