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AP EAMCET202421 May 2024Evening ShiftMathematicsInverse Trigonometric FunctionsActual

The real values of x that satisfy the equation ⁻¹ x+ ⁻¹ 2 x= 4 is

Options

  1. A-3 17 4
  2. B-1 3
  3. C3 -1
  4. D17 -3 4

Correct answer

D. 17 -3 4

Step-by-step solution

aligned & ⁻¹ x+ ⁻¹ 2 x= 4 ⁻¹ x+2 x 1-2 x^2 = 4 & x+2 x 1-2 x^2 =1 2 x^2+3 x-1=0 & x= -3 17 4 x= -3+ 17 4 & [ x= -3- 17 4 does not satisfy the equation ] aligned

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