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4 cards from this section. Quick, good the night before a test.
Define a first-order linear differential equation.
Think about the highest derivative involved.
What is an integrating factor?
Consider how it changes the equation.
What characterizes a linear differential equation?
Remember the definition of linearity.
True or False: An integrating factor is always necessary for solving all first-order linear differential equations.
Consider situations where simpler methods apply.
Given the non-homogeneous differential equation d²y/dx² - 4y = sin(x), derive the general solution.
Start by solving the complementary equation before tackling the particular solution.
Solve the first-order linear DE dy/dx + 3y = x^2. What steps do you take?
Don't forget to integrate considering the initial condition if provided.
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