Question

consecutive numbers of an arithmetic sequence is k+1, 2k+1,13 find the value of k
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Answer 1

Answer:

Step-by-step explanation:

Consecutive numbers of an arithmetic sequence arek+1,2k+1,13

So k+1+13=2(2k+1)

=> k+14=4k+2

=> 4k-k=14-2

=>3k=12

=> k=12/3

=> k=4

So the value of k is 4.

Hope it will help you.