Using the method of separation of variables, find the solution of the following equation: = u, given that u (x, 0) = 3 e5* + 2 e-3x %3D 2.

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Q: Exercises (1) Show that if gcd(a, c) = 1 and gcd(b, c) = 1, then gcd(ab, c) = 1. %3D %3D

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A: D.