The nth term of a sequence is given 31 - n find... - JAMB Mathematics 1997 Question
The nth term of a sequence is given 31 - n , find the sum of the first terms of the sequence.
A
\(\frac{13}{9}\)
B
1
C
\(\frac{1}{3}\)
D
\(\frac{1}{9}\)
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Correct Option: A
Tn = 31 - n
S3 = 31 - 1 + 31 - 2 + 31 - 3
= 1 + (\frac{1}{3}) + (\frac{1}{9})
= (\frac{13}{9})
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