the n th term of an arithmetic sequence is 3+2n. find the 10 th term ?
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The nth term of a sequence is 3n-2. Is the sequence an A.P. ? If so, find its 10th term .
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a
n
=3n−2
a
n
is a linear expression in n. So, the given sequence is an A.P. with common difference 3.
Therefore,
a
10
=30−2=28
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