This full solution covers the following key subjects: determine, equation, exact, whether. This expansive textbook survival guide covers 67 chapters, and 2118 solutions. The full step-by-step solution to problem: 13E from chapter: 2.4 was answered by , our top Calculus solution expert on 07/11/17, 04:37AM. This textbook survival guide was created for the textbook: Fundamentals of Differential Equations , edition: 8. Fundamentals of Differential Equations was written by and is associated to the ISBN: 9780321747730. Since the solution to 13E from 2.4 chapter was answered, more than 295 students have viewed the full step-by-step answer. The answer to “In 9–20, determine whether the equation is exact. If it is, then solve it.” is broken down into a number of easy to follow steps, and 14 words.