Mathematics, 23.11.2019 03:31, bee1538

Consider the differential equation ay′′ + by′ + cy = 0, where b2 − 4ac < 0 and the characteristic equation has complex roots λ ± iμ. substitute the functions u(t) = eλt cosμt and v(t) = eλt sinμt for y in the differential equation and thereby confirm that they are solutions.

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Consider the differential equation ay′′ + by′ + cy = 0, where b2 − 4ac < 0 and the characteristi...