Determine whether the equation is exact. If it is exact, FINDTHE SOLUTION. If not write NOT EXACT.
A) (y/x + 12x) + (lnx - 3)y' = 0 x>0
Solve the given initial value problem.
B)  (12x2 +y ? 1) ? (14y ?x)y' =0,    y(1) = 0
y(x) =
Determine at least approximately where the solution is valid.(Enter your answer as an inequality for which the solution is validwhen true.)
The solution is valid as long as: _________
C) Find the value of b for which the given equation isexact.
(ye9xy +x) +bxe9xyy'= 0
b =
Solve it using that value of b: ______
.
