Question

In an arithmetic progression,first term is 12 and the 5th term is 22. Find the common difference

Answer 1

Step-by-step explanation:

first term a = 12

fifth term a5=a+4d

and fifth term is 22

a+4d=22

12+4d=22

4d=22-12

4d=10

d=10/4

d=5/2

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