Thursday, December 5, 2019

For the series S=1+frac1(1+3)(1+2)2+frac1(1+3+5)(1+2+3)2......

Problem :




For the series S=1+1(1+3)(1+2)2+1(1+3+5)(1+2+3)2+1(1+3+5+7)(1+2+3+4)2+

Find the nth term of the series.



We know that nth can term of the series can be find by using Tn=SnSn1



Sn=1+(n(n+1)2)2(2n1)2



Sn=n4+5n2+2n34n+1(2n1)2



But I think this is wrong, please suggest how to proceed thanks..

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