Sh9aybyaRene2r Sh9aybyaRene2r

04-11-2016
Mathematics

Answered

What is the 30th term of the arithmetic series 2, 5, 8, ...?

A89
B88
C87
D86

Verified Answer :

04-11-2016

Here, a = 2, d=5-2 = 3, n = 30

we know, an = a+(n-1)d

an = 2+(30-1)3

an = 2+87

an = 89

OPTION A IS YOUR ANSWER....

Answer Link

Edufirst Edufirst

04-11-2016

An = A1 + d (n -1)

A30 = A1 + d (30 -1)

d = 5-2 = 3

A30 = 2 + 3 (29) = 89

Answer: option a. 89

Answer Link

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