Question

If the nth term of an AP Is n2 + 1find it's 6th term

Answer 1

Answer:

tn = n^2+1

t1=1+1=2

t2=4+1=5

so, first term of the AP is 2

common difference=5-2=3

t6=a+(n-1)d

=2+5×3

=2+15

=17...

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