Math Chapter Wise question with answer

Q01 The orthogonal trajectories of the system of coaxial circles x2 + y2 + 2λx + c = 0 is (taking µ as parameter) English · DSSSB PGT 2021 Q02 The orthogonal trajectories to the family of straight lines y = k (x – 1), k ∈ R, are given by– English · UP PGT 2021 Q03 Differential equation of the orthogonal trajectories of the family of parabolas y = ax2 is English · UP PCS (Pre) 2008 Q04 The orthogonal trajectories of y = mx, where m is a parameter, are English · UP PCS (Pre) 2009 Q05 The orthogonal trajectory of the family of straight lines y = mx, where m is a parameter, is: English · UP PCS (Pre) 2005 Q06 The orthogonal trajectory of the family of the parabolas 2 x 4 y, being the parameter, is– English · UP PCS (Pre) 2004