Question

t_n = 2n – 5 in a sequence, find its first two terms.

Answer 1

t_n = 2n – 5   ...[Given]

∴ t₁ = 2(1) – 5

= 2 – 5

= –3

t₂ = 2(2) – 5

= 4 – 5

= –1

∴ The first two terms of the sequence are –3 and –1.