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can someone prove this to me as.

Any help would help save my hair I have not torn out as yet.

If [math]

a_n,b_n

[/math]are sequences of real number ,n>m then:

[math]

a_{n+1}S_n-a_m S_{m-1}+\sum_{k=m}^{n}( a_k - b_{k+1})S_k

[/math]

Where [math]

S_n

[/math]is the partial sum of sequence [math]

\sum_{k=1}^{\infty}b_n

[/math]

Thanks for any help

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# Homework Help: Can someone prove this to me

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