1. If nth term of a sequence is 4n2 +1, find the sequence Is this sequ – InterviewSolution

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1.

1. If nth term of a sequence is 4n2 +1, find the sequence Is this sequence an AP. ?

Answer»

Given Tn=4n²+1

T1=4(1)²+1=5

T2=4(2)²+1=17

T3=4(3)²+1=37

So the terms 5,17,37,…….. with no common difference

So it is not an AP

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