Question

Find the sum of 30 term of given A.p 12,20,28,36---

Answer 1

Answer:

since A.p is given i.e = 12, 20 ,28,36 ----

a = 12 , d = a₂ - a₁ = 20 - 12 = 8

a₃₀ = a + 29 d

      =  12 + 29 ( 8)

      = 12+ 232

      =  244

hence, a₃₀ = 244

Answer 2

please mark as a brain list