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AP EAMCET2008MathematicsInverse Trigonometric Functions

1+ x 2 1- x 2 is equal to

Options

  1. Ae^ -x
  2. Be^ x
  3. C2 e^ x / 2
  4. D2 e^ -x / 2

Correct answer

B. e^ x

Step-by-step solution

aligned 1+ x 2 1- x 2 & = x 2 + x 2 x 2 - x 2 & = e^ x / 2 e^ -x / 2 =e^x aligned

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