Getting closer to the powers of e e !

Calculus Level 4

Let g : R R g:\mathbb{R}\to\mathbb{R} be a differentiable function such that g ( 2 ) = 40 g(2)=-40 and g ( 2 ) = 5 g^{\prime}(2)=-5 . Then find the value of lim x 0 ( g ( 2 x 2 ) g ( 2 ) ) 4 x 2 \displaystyle \lim _{ x\to 0 }{ { \left( \dfrac { g\left( 2-{ x }^{ 2 } \right) }{ g\left( 2 \right) } \right) }^{\frac { 4 }{ { x }^{ 2 } } } } .

Notation:

  • g ( x ) g^{\prime}(x) denotes the first derivative of g ( x ) g(x) .
  • e 2.718 e \approx 2.718 is the Euler's number .
e 5 e^{-5} e 32 e^{32} 1 e \dfrac{1}{\sqrt{e}} e \sqrt{e}

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1 solution

Akhil D
Sep 16, 2016

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