For each of the differential equations in Exercises 11 to 14, find a particular solution satisfying the given condition:
Explanation
The differential equation is solved using the method of separation of variables. The expression is rearranged to separate terms with and terms with on opposite sides.
The integration on the right side requires partial fraction decomposition to handle the term .
After integrating and finding the general solution, the given condition when is substituted to find the value of the constant of integration, yielding the particular solution.
Solution Steps
Step 1: Separate the variables.
The given differential equation is:
Rewriting this, we get:
Step 2: Integrate both sides.
Integrating the LHS gives . For the RHS, use partial fractions for .
Now, integrate:
Step 3: Find the general solution.
Combining the logarithmic terms:
Step 4: Apply the given condition to find C.
Given condition: when .
Substituting these values:
Step 5: Write the particular solution.
Substitute back into the general solution:
∴