The equation (3xcos (3x) + sin(3x) – 3) dx + (2y + 5) dy = 0 is exact. Solve it. xsin (3x) + y + 5y = C xsin (3x) – 3x + y° + 5y = C Xsin (3x) — Зх + у —D С хсos (3x) — 3х + y? — 5у %3D С -

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