Nilai Sigma 21 n=2 (5n – 6) = … 28/07/2022 by hadi wargamasyarakat Jawab: 21 Σ (5n – 6) = 4 + 9 + 14 + … + 99 n=2 n=20 S₂₀ = 20÷2 (4 + 99) = 10 (103) = 1030 Nilai maksimum dari fungsi f(x) = x³ + 3x² + 8