Question

The difference between 12th and 8th tearm of an arithemetic sequence is 20 find the common difference

Answer 1

Answer:

5 is the difference.

Step-by-step explanation:

12th term- 8th term = 20

a+ 11d - a- 7d = 20

4d = 20

d = 5

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Answer 2

Step-by-step explanation:

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