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Find S_10 for -1+-7+-13+-19+... Arithmitic Sequences for Algebra 2, thank you
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Given sequence is in arithmetic series its first term is a= -1 and commn differnce is d= (-7+1)=-6
Sum of n terms of an AP wth a frst term and comn difference d s
Posted by aruv on July 18, 2013 at 2:45 AM (Answer #1)
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