7 th term of an anthemic sequans is 32 How to find sum of first term and 13th term ? Find some of first 13 terms
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3
7th term is the median of the arithmetic sequence. i.e.
=sum of all 13 numbers / 2
= 7th term
=32
so,
32 = sum of 13 no:s / 2
i.e. Sum of 13 no:s is
=32×2
=64
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7
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