Question

(The first and the eighth terms of an A.P. series are 2 and 23 respectively. Find the tenth
term of the series.)​

Answer 1

Step-by-step explanation:

a1=2

a8=23

i.e a1+(8-1)d=23

2+7d=23

7d=21

d=3

10 th term is

a10=a1+(10-1)d=2+(9*3)=2+27

a10=29.

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