Question

In an A.P., a = 10 and d = −3 then find its first four terms

Answer 1

a = 10, d = – 3     ......[Given]

t₁ = a = 10

t₂ = t₁ + d = 10 – 3 = 7

t₃ = t₂ + d = 7 – 3 = 4

t₄ = t₃ + d = 4 – 3 = 1

∴ The first four terms of A.P. are 10, 7, 4, 1.