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Find the solution of the differential equation, giving $y$ as an expression in terms of $x$.
Mathematics 9709 · AS & A Level · Differential equations
Differential equations — practice question
The variables $x$ and $y$ satisfy the differential equation $e^{4x}\,\frac{dy}{dx} = \cos^2 3y$. It is given that $y = 0$ when $x = 2$.