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Mathematics, 30.03.2021 08:30 2021arabellacorsino
7) How many terms of the arithmetic sequence {1,3,5, 7,...} will give a sum of 961?
n(2a1 + (n - 1)d)
Sn
2
-
You will need to factor to solve the quadratic equation
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7) How many terms of the arithmetic sequence {1,3,5, 7,...} will give a sum of 961?
n(2a1 + (n - 1)...
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