Differential Equations Section 1.5 Question 4

4. Solve the following initial-value problems (which could be homogeneous, Bernoulli, or exact). (a) (2x2 + y? ) de - xydy = 0, y(1) = 2, (b) (2xy' + 3x3 ) dir + (2x y + 4y' ) dy = 0, y(1) = 0, (c) (y ty)) dr - dy = 0, y(0) = 1