Math Chapter Wise question with answer

Q01 The value of the radius of curvature of the curve s = 4 a sin ψ ψ ψ at the (s, ψ ψ ψ) is– English · UP PCS (Pre) 1995 Q02 The radius of curvature of the curve y = x4 –4x3 –18x2 at (0, 0) is English · UP PCS (Pre) 1999 Q03 The radius of curvature of the curve x y 1 + = + = at the point 1 1, 4 4 is equal to: English · UP PCS (Pre) 2000 Q04 The radius of curvature of the curve y = ex at the point where in crosses the y-axis is– English · UP PCS (Pre) 2003 Q05 The radius of curvature at the origin, for the curve y=x3 +9x2 +4x is: English · UP PCS (Pre) 2006 Q06 The Cartesian formula for the radius of curvature is: English · UP PCS (Pre) 1997