Determine whether the equation is exact. If it is, then solve it. (3x²y + 2) dx + (x³ -1) dy = 0 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The equation is exact and an implicit solution in the form F(x,y) = C is= C, where C is an arbitrary constant. (Type an expression using x and y as the variables.) B. The equation is not exact.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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**Determine whether the equation is exact. If it is, then solve it.**

\[
(3x^2y + 2) \, dx + (x^3 - 1) \, dy = 0
\]

---

Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

- **A.** The equation is exact and an implicit solution in the form \( F(x,y) = C \) is \(\boxed{\phantom{C}}\), where \( C \) is an arbitrary constant. (Type an expression using \( x \) and \( y \) as the variables.)

- **B.** The equation is not exact.
Transcribed Image Text:**Determine whether the equation is exact. If it is, then solve it.** \[ (3x^2y + 2) \, dx + (x^3 - 1) \, dy = 0 \] --- Select the correct choice below and, if necessary, fill in the answer box to complete your choice. - **A.** The equation is exact and an implicit solution in the form \( F(x,y) = C \) is \(\boxed{\phantom{C}}\), where \( C \) is an arbitrary constant. (Type an expression using \( x \) and \( y \) as the variables.) - **B.** The equation is not exact.
Expert Solution
Step 1

The given differential equation is ,

        3x2y+2dx+x3-1dy = 0

(.)  A differential equation of the form M(x,y)dx+N(x,y)dy = 0 is said to be exact if ,

                 My = Nx

(.)  If the differential equation  M(x,y)dx+N(x,y)dy = 0 is exact , then the solution is given by ,

M(x,y)dx + N(x,y)dy = c   ;    c is an arbitrary constant 

Note: Integrate all the terms of M(x,y) w.r.t. 'x' taking y as constant . Integrate only those terms of N(x,y) w.r.t.  'y'  which does not contain'x' .

 

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