XAMPLE 1
Find the (i) nth term and (ii) 16th term of the AP 3,5,7,9, 11, ....
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a = 3
d = 2
(i) nth term = a + (n-1)d
= 3 + (n-1)2
(ii) 16th term = a + 15d
= 3 + 30
= 33
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