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| ARITHMETIC
SEQUENCE AND SERIES |
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Is there a better way?
What
is n for the arithmetic series 7 + 8 + 9 + … + 300? Think,
n would be 300 if we started with the number 1. But we
are missing the first 6 numbers of this arithmetic series.
Thus, n =
300 – the
first 6 numbers (terms).
Conclusion: n = 300 – 6 = 294 |
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