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rosijanka [135]
3 years ago
11

If the first and the last terms of an arithmetic series are 10 and 62, show that the sum of the series varies directly as the nu

mber of terms.
Mathematics
1 answer:
Nitella [24]3 years ago
6 0

Answer:

10+^@=72_^) + the series

Step-by-step explanation:


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