Math Chapter Wise question with answer

Q01 The radius of curvature of the curve p = b sin ψ ψ cos ψ ψ ψ is: English · Haryana PGT 2020 Q02 If the pedal equation of a curve is pr=a2, then the radius of curvature is– English · UP PCS (Pre) 2004 Q03 Certesian formula for radius of curvature P for the curve y =f(x), is: English · UP PCS (Pre) 2005 Q04 If a normal at any point P of a common catenary meets the directrix at Q & ρ is the radius of curvature of catenary... English · UP PGT 2021 Q05 The radius of curvature at any point of a common catenary is given by: English · UK SSSC LT 2020 Q06 The curves, for which polar subnormal varies as the radius vector, are given by the following: English · UP PCS (Pre) 1996