2 years ago

14 A formula for determining the finite sum, S, of an arithmetic sequence of numbers is

Mathematics

2 answers:

allochka39001 [22]2 years ago

6 0

Answer:

You can download the answer here. Link below!

Step-by-step explanation:

Advocard [28]2 years ago

4 0

Answer:

b = 2S/n - a.

Step-by-step explanation:

S=n/2(a + b)

a + b = S / n/2

a + b = 2S/n

b = 2S/n - a.

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