Let the sum of series be -r-1n 1-4r2-1 - be nkn-m-Find k-m -

T_n=1/2 ( 1/2n 1 1/2n+1 ) ∴ S_n=∑ T_n = nbsp; 1/2[ ( 1/1 1/3 )+ ( 1/3 1/5 )+ ( 1/5 1/7 )+......+ ( 1/2n 1 1/2n+1 ) ] =1/2 ( 1 1/ [ 2n+1 ] ...

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Vn Method

Let the sum o...

Question

Let the sum of series be $n \sum r = 1 (\frac{1}{4 r^{2} - 1}) .$ be $\frac{n}{k n + m} .$ .Find $k + m$ ?

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