Question

the common difference of an AP 14,9,4,-1,is​

Answer 1

Answer:

a= 14

d= a2-a1

d=9-14=-5

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Answer 2

Answer:

AP: 14,9,4,-1

therefore, a=14, a2= 9

d=a2-a

9-14

-5

so, common difference=-5