Chapter 2, Section 2.6, Question 10 Your answer is incorrect. Try again. Solve the given initial value problem and determine at least approximately where the solution is valid (15a2 +y-1)dz (14y-z)dy 0, y(1) 2)+/(z2-140)+28z)+112 14 the solution is valid as long as | |--140z3 + 28z + 112 | 0