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Black Book Advanced Problems in MathematicsMathematicsContinuity and Differentiability

Consider f(x) = x^ x and g(x) = e^2x . Let and be two values of x satisfying f(x) = g(x)( < ) If _ x f(x) - c g(x) - ^2 = l then the value of c - l equals to :

Options

  1. A4 - e^2
  2. Be^2 - 4
  3. C4 - e
  4. De - 4

Correct answer

B. e^2 - 4

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