Math, asked by kabirsingh62, 9 months ago

The 18th term of an A.P. exceeds the 8th term
by 20. Find common difference of the A.P.

Answers

Answered by Anonymous

10

Answer:

a18 = a8 + 20

a + 17d = a + 7d + 20

17d - 7d = 20

10d = 20

d = 20/10

d = 2

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