brenwil00 brenwil00

07-11-2016
Mathematics

contestada

If the nth term of a sequence is 2n + 4, what is the sum of the first n terms?

Respuesta :

shahzaib784 shahzaib784

07-11-2016

To find the first nth terms, you would need to substitute 1, 2, 3 and so on into n. When you switch in 1, you get 6. When you switch in 2, you get 8. 8 + 6=14

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