asteinberg8754 asteinberg8754 11-03-2024 Mathematics contestada Let Sn denote the sum of the first 'n' terms of an A.P. and S₂ₙ = 3Sₙ. Then, the ratio S₃ₙ : Sₙ is equal toa. 4:1b. 10:1c. 8:1d. 6:1