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Manipal MET2021MathematicsInverse Trigonometric Functions

If ⁻¹ x+ ⁻¹ y+ ⁻¹ z= , then the value of x+y+z-x y z is

Options

  1. A1
  2. B0
  3. C-1
  4. D1 2

Correct answer

B. 0

Step-by-step solution

Given, ⁻¹ x+ ⁻¹ y+ ⁻¹ z= aligned & ⁻¹ ( x+y+z-x y z 1-x y-y z-z x ) & x+y+z-x y z=0 aligned

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