A sequence and is given by an = n×n – 1 , n Belongs to N. show that it is an A.P. ​

Question

A sequence and is given by an = n×n – 1 , n Belongs to N. show that it is an A.P.

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Madeline 1 month 2021-08-18T10:29:37+00:00 1 Answer 0 views 0

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    2021-08-18T10:30:40+00:00

    Answer:

    Let n=1

    a1=1×1-1=0

    a2=2×2-1=3

    a3=3×3-1=8

    a2-a1=3-0=3

    a3-a2=8-3=5

    Common difference is not same.

    Hence,it is not in AP

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