Question

Find d in an A.P. 8 16 21 24 27 ?​

Answer 1

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How do you find D in AP series?  

If 'a' is the first term and 'd' is the common difference,

nth term of an AP = a + (n-1) d.

Arithmetic Mean = Sum of all terms in the AP / Number of terms in the AP.

Sum of 'n' terms of an AP = 0.5 n (first term + last term) = 0.5 n [ 2a + (n-1) d ]

Feb 7, 2019

Answer 2

Answer:

for finding d = A2 - A1

16 - 8 =8

by the way this is not AP