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AP EAMCET2020MathematicsIndefinite Integration

If d x e^x+4 e^ -x d x=f(x)+c , then f(x) is

Options

  1. A2 Tan ⁻¹ (2 e^x )
  2. B1 2 Tan ⁻¹ ( e^x 2 )
  3. C2 Tan ⁻¹ ( e^x 2 )
  4. D1 2 Tan ⁻¹ (2 e^x )

Correct answer

B. 1 2 Tan ⁻¹ ( e^x 2 )

Step-by-step solution

No solution. Refer to answer key.

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