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Black Book Advanced Problems in MathematicsMathematicsDifferential Equations

Let y = f(x) be a real valued function satisfying x dy dx = x^2 + y - 2, f(1) = 1 , then:

Options

  1. Af(x) is minimum at x = 1
  2. Bf(x) is maximum at x = 1
  3. Cf(3) = 5
  4. Df(2) = 3 .

Correct answer

A. f(x) is minimum at x = 1

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