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Question 1 (i)
Fill in the blanks in the following table, given that
 a is the first term, d the common difference and an the nth term of the A.P.
adnan738


Solution

Given, a = 7, d = 3 and n = 8
We know that,
an=a+(n1)d
a8=7+(81)×3
=7+(7)×3
=7+21=28
So, a8=28

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