(v) tn = n3 (1 mark)

(v) t_n = n³ (1 mark)

Sol. t_n = n³

∴  t₁ = 1³ = 1

∴ t₂ = 2³ = 8

∴ t₃ = 3³ = 27

∴ t₄ = 4³ = 64

∴ t₅ = 5³ = 125

∴ The first five terms of the sequence are 1, 8, 27, 64 and 125