Nilai Sigma 21 n=2 (5n – 6) = … 28/07/2022 by rizal Jawab: 21 Σ (5n – 6) = 4 + 9 + 14 + … + 99 n=2 n=20 S₂₀ = 20÷2 (4 + 99) = 10 (103) = 1030 Nilai limit mendekati tak hingga 6x² - x - 6/2x² - 4x - 3 = ....