1(a). Define order of a differential equation and give an example of a second order ordinary
differential equation.
[Marks = 3+3 = 6]
(b). Solve the following initial value problem using separation of variable method, given that at x=1
y=6. Find the interval of validity.
[Marks =15+4 = 19]
(1-x^(2))(dy)/(dx)+x(y-5)=0