If the sum of first n term of an a.p is given by sn=3nsquare+5n,find the nth term of an a.p
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Sn=3nv2+5n
Sn-1=3(n-1)v2+5(n-1)
Tn=sn-sn-1
=6n+2
Sn-1=3(n-1)v2+5(n-1)
Tn=sn-sn-1
=6n+2
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