If Sn=n(5n-3) find A.P.
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Answered by
12
Sn=n(5n-3)
S1=1(5×1-3)=2
S2=2(5×2-3)=14
S3=3(5×3-3)=36
t1=S1=2
t2=S2-S1=14-2=12
t3=S3-S2=36-14=22
A.P=2,12,22,................
S1=1(5×1-3)=2
S2=2(5×2-3)=14
S3=3(5×3-3)=36
t1=S1=2
t2=S2-S1=14-2=12
t3=S3-S2=36-14=22
A.P=2,12,22,................
Answered by
1
Answer:
ap=2,12,22......................
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