If 6 sin⁻¹ (x²–6x+8.5) = π, then the value of x is _____?

If 6 sin⁻¹ (x²–6x+8.5) = π, then the value of x is _____?

  1. a) 1
  2. b) 2
  3. c) 3
  4. d) 5

From the BCIC Assistant Programer (CSE) 2022 – Written (BUET) exam, question 25 of 56.

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