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.