Mathematics, 20.03.2020 08:15 larenhemmings

Suppose that r1 and r2 are roots of ar2 + br + c = 0 and that r1 = r2; then exp(r1t) and exp(r2t) are solutions of the differential equation ay + by + cy = 0. Show that φ (t; r1, r2) = er2t − er1t r2 −

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Suppose that r1 and r2 are roots of ar2 + br + c = 0 and that r1 = r2; then exp(r1t) and exp(r2t) ar...