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Black Book Advanced Problems in MathematicsMathematicsContinuity and Differentiability

Let f be a differentiable function satisfying f'(x) = 2f(x) + 10 x R and f(0) = 0 , then the number of real roots of the equation f(x) + 5 ^2 x = 0 in (0, 2 ) is :

Options

  1. A0
  2. B1
  3. C2
  4. D3

Correct answer

A. 0

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