Dvrsug15611 Dvrsug15611 28-12-2023 Mathematics contestada Find an explicit formula for the geometric sequence −25,−50,−100,−200,…. a) aₙ=−25⋅2ⁿ⁻¹ b) aₙ=−25⋅2ⁿ c) aₙ=−25⋅(−2)ₙ d) aₙ=−50⋅2ⁿ⁻¹
