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Question Number 163002 by mnjuly1970 last updated on 03/Jan/22
     prove that     i:Σ_(n=0) ^∞  (((−1 )^( n) )/((n +(1/2))cosh(n+(1/2))π)) =(π/4)    ii: ∫_0 ^( 1) (( sin( π x ))/(x^( x) ( 1−x )^( 1−x) )) (dx/(1+x)) =(π/4)        −−−
provethati:n=0(1)n(n+12)cosh(n+12)π=π4ii:01sin(πx)xx(1x)1xdx1+x=π4

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