Q.6 (MCQ) Consider the following differential equation 2y cos y y sin y - cos y y1)=0 dr then which of the following is/are true 1. Given differential equation has nique solution 2. Given differential equation has exactly two solutions 3. Given differential equation doesn't has any solution. 4. Given differential equation has infinitely many solutions. Q.7 (NAT) Let y = }be the solution of the following differential equation (1+edy+ (1 + P)edr; y(0) = 0 then a +B equals. 2