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Find-n-1-k-n-2-sin-2-npi-2-n-4-pi-4-n-2-pi-2-a-b-




Question Number 165209 by HongKing last updated on 27/Jan/22
Find:   Σ_(n=1) ^k  ((n^2  sin^2  ((nπ)/2))/(n^4  π^4  + n^2  π^2  a + b)) = ?
Find:kn=1n2sin2nπ2n4π4+n2π2a+b=?

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