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Manipal MET2018MathematicsInverse Trigonometric Functions

aligned & If ⁻¹ x+ ⁻¹ y+ ⁻¹ z= , then & x+y+z is aligned

Options

  1. Axyz
  2. B0
  3. C1
  4. D2 xyz

Correct answer

A. xyz

Step-by-step solution

aligned & ⁻¹ x+ ⁻¹ y+ ⁻¹ z= & ⁻¹ x+y+z-x y z 1-x y-y z-z x = & x+y+z-x y z=0 x+y+z=x y z aligned

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