Mathematics · Differential Equations
If y = emx is a part of the complementary function of the linear differential equation d2ydx2 + Pdydx + Qy = R, then which of the following relations must be true?
- 1m2 + mP + Q = 1
- 2m2 - Pm - Q = 0
- 3m2 - Pm - Q = 1
- 4m2 + mP + Q = 0✓
Correct answer
m2 + mP + Q = 0
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