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Stella [2.4K]
2 years ago
11

What is the sum of the first seven ​

Mathematics
1 answer:
Savatey [412]2 years ago
4 0

Answer:

It would be 2188

Step-by-step explanation:

The sum of first seven is 2188 according to the general pattern the series is following in which each term is multiplied by 3 and given either a positive or negative sign opposite to previous term

It would be

4-12+36-108+324-972+2916

Which equals to 2188

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