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3 years ago

11

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

1 answer:

Darya [45]3 years ago

5 0

We need to find the 8 th term nth term is given as <span><span>an</span>=<span>a1</span>+(n−1)d</span> n=8, d =-4 (common difference) <span><span>a8</span>=<span>a1</span>+(8−1)×d</span> <span><span>a8</span>=1+7×(−4<span>)</span></span>

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