. The Bell System technical journal . (SET2) f(x)+(<4) dF(x) dx dx Y^Wnr -r T-FM X-F(x*dx) X -f-Y^^^) Ydx 5 Ydx ^Ydx ^Ydx (SET4). //////0/////Z ////////////^ ///// (SET3) fCx)dx (^X)f(0) J^^Adfwv]^J^[^^M^v^^I^hA^^|^^^J^[^VHfvv^^|J^ (.^]r« :Ydx ^Ydx ^Ydx |Ydx |Ydx ^Ydx (0) J^ww\A^v^^vvv^^/v^Q;VvAA^AA/X^^Mpw^/3A^^^^Ay^^ Ydx ^Ydx ^Ydx ^Ydx e Ydx ^Yd^ e^>(^) /////A/////////A////// a ///////////////// s ///// (SET 6)

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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1