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3 years ago

NEED HELP ASAP!!! 15 POINTS!!!!

Mathematics

1 answer:

sasho [114]3 years ago

3 0

Answer:

its not even worth 15 points we can see its worth 8 but let me see what i can do

Step-by-step explanation:

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The 8th term of a GP is -7/32 find its common ratio if its first term is 28

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<h2>Common ratio = -1/2</h2>

Step-by-step explanation:

$\text{8}^{th}$ term of a Geometric progression is given as $\dfrac{-7}{32}$ . The first term is given as $28$ .

Any general Geometric progression can be represented using the series $a,ar,ar^{2},ar^{3},ar^{4}...\text{ }ar^{n-1}$ .

The first term in such a GP is given by $a$ , common ratio by $r$ , and the $n^{th}$ term is given by $ar^{n-1}$ .

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