Mathematics (AS & A Level) · May / June 2023 · Paper 33 · Question 8
9709
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The variables x and y satisfy the differential equation dy dx = y2 + 4 xy + 4 for x > 0. It is given that x = 4 when y = 2 3. Solve the differential equation to obtain the value of x when y = 2. [8] 13
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