Question

Find the first 4 terms of the sequence defined by t

n = n(n + 2)​

Answer 1

Answer:

3,8,15,24

Step-by-step explanation:

tₙ = n(n+2)

take n =1 , t₁ = 1(1+2) = 1(3) = 3

       n =2 , t₂ = 2(2+2) = 2(4) = 8

      n =3, t₃ = 3(3+2) = 3(5) = 15

       n =4 , t₄ = 4(4+2) = 4(6) = 24