Math, asked by viki34, 1 year ago

the common difference of a21-a7=4 is

Answers

Answered by Anonymous

1

a+20d-a-6d = 4

14d = 4

d= 4/14

Hope it helps you..

Answered by a12singh

2

Answer:

2/7

Step-by-step explanation:

a+20d-a-6d=4

=>14d=4

=>d=4/14

=>d=2/7

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