Question

If the sum of first n terms is n^2 then its 10^th term is

Answer 1

Answer:

19

Step-by-step explanation:

sn=n²

s1=1²=1

s2=a1+a2

=2²

a1+a2=4

a2=3

d=2

10th term=a+9d

==================

1+18

====19

.

.

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