Q.No.2 (CLO_2): (Cognitive Level C3, i.e.,Apply ) (PLO_1: Emgineering Knowledge) (30 Marks) Solve the following differential equation: (a) y' ty = ( x + a)2; y(b) = c (b) x2y" - 4xy' + 4y = 0;y(1) = a, y'(1) = b (c) y" + (c+ 1)2y= sec(c+ 1)x where a, b and c are the first, second and third digit of your roll number respectively Q.No.3 (CLO_2): (Cognitive Level C3, i.e.,Apply ) (PLO_1:Engineering Knowledge ) (10 Marks) Solve the Fourier series of f (x) = (a + b)x - n