Question

2,4,6,... is an arithmetic sequence find its 20th and 30th term

Answer this question with step by step explanation and I will mark as Brainlist​

Answer 1

Step-by-step explanation:

AP=2,4,6,8...................an

let nth term be 20

a20 =a+(n-1)d

a20=2+38

20th term is 40

30 th term is 60

Answer 2

2,4,6,...........

a= 2

d= 2 (4-2)

Formula :- a(n) = a+(n-1)d

a20 = a+19d

a20 = 2+19(2)

a20 = 2+38

a20 = 40

a30 = a+29d

a30 = 2+29(2)

a30 = 2+58

a30= 60

mark as brainliest......✔✔