1.

3. For a number series, if t 17 = 54 and t 9 = 30, first p (a) Find the common difference (d).​

Answer»

ong>Answer:

Given ,

t17 = 54

=> t+ 16D = 54 -----(eq i)

t9 = 30

=> t+ 8d = 30 -----(eq ii)

Subtracting eq ii from eq i, we have

8d = 24

d = 24

8

d = 3

Therefore, the common difference = 3

Step-by-step explanation:

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