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MHT CET202210 Aug 2022Morning ShiftMathematicsInverse Trigonometric FunctionsActual

The value of [2 ⁻¹ ( 1 5 )- 4 ] is

Options

  1. A7 17
  2. B- 7 17
  3. C- 17 7
  4. D17 7

Correct answer

B. - 7 17

Step-by-step solution

aligned & 2 ⁻¹ ( 1 5 )- 4 = ⁻¹ 2 1 5 1- ( 1 5 )^2 - ⁻¹(1)= ⁻¹ 5 12 - ⁻¹(1) & = ⁻¹ ( 5 12 -1 1+ 5 12 1 )= ⁻¹ ( -7 17 ) & 2 ⁻¹ 1 5 - 4 = -7 17 aligned

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