Question

Find the first two sequence for an is given below
Sn=n2 (n+1)

Answer 1

HEYA ...
Answr..

Sn=n^2(n+1)

for n=1
S1= (1)^2(1+1)
=1(2) = 2

for n=2
S2=(2)^2(2+1)
=4(3). = 12

so sequence is...
2,12,....,,.

hope it's helpful