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Find the sum of the first 8 terms in the sequence?

Find the sum of the first 8 terms in the sequence?
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Find the sum of the first 8 terms in the sequence?

User Rolwin Crasta
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We need to find the 8 th term nth term is given as an=a1+(n−1)d n=8, d =-4 (common difference) a8=a1+(8−1)×d a8=1+7×(−4)
User Himanshu Pandey
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