2. Solve the general and particular solution (if necessary) of the given differential equations. a. 2tx dx + (12 - x2) dt = 0 dy 6x5 - 2x + 1 = dx cos y + el b. dy = (1 + y) tan x, y(0) = V3 dx C. dy 4x2 - x - 2 = dx (x+ 1 ) (y+ 1 ) y ( 1 ) = 1 d