The equation of parabola is x2 = 4ay . Find the length of thelatus rectum of the parabola and length of the parabolic arcintercepted by the latus rectum. (a) Length of latusrectum : 4a;Length of the intercepted arc : 4.29a (b)Length of latusrectum:—4a; Length of the intercepted arc : 4.39a (c) Length oflatusrectum: —4a; Length of the intercepted arc : 4.49a (d) Lengthof latusrectum: 4a; Length of the intercepted arc : 4.59a
