Question

. The common difference of the AP 9,13,17,21......... is
a. 1 b. 2
c. 3
d.4​

Answer 1

Answer:

4

Step-by-step explanation:

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Answer 2

THE COMMON DIFFERENCE OF THE A.P 9,13,17,21... IS '4'

T1 =9 ,T2 =13

C.D = T2-T1

C.D = 13-9

C.D = 4

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