Question

3n+7 is an algebric form of a sequence
Find the Arithmetic sequence(i want step by step explanation)​

Answer 1

Answer:

3n+8

this answer is correct... okk

Answer 2

Step-by-step explanation:

nth term = 3n + 7

Formula for arithmetic progression = a + (n - 1)d = a + nd - d = (a - d) + nd --- 1

7 + 3n = (a - d) + dn

⇒

dn = 3n

∴ d = 3

a - d = 7

⇒

a - 3 = 7

∴ a = 10

∴ AP = 10 , 13 , 16 , 19 , ....................

Hope it helps !!!!!!!!!!!!!!!!!!!!!

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