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Black Book Advanced Problems in MathematicsMathematicsDifferential Equations

Let y = f(x) and x y dy dx = 3x^2 - y 2y - x^2 ; f(1) = 1 then the possible value of 1 3 f(3) equals:

Options

  1. A9
  2. B4
  3. C3
  4. D2.

Correct answer

C. 3

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