Lecture oct 25

cn 9,@[email protected] f n f fn f nff9 4 9 f f f nf f ffff9 f f fnf f fn f f ff 9 fn n n f f J ff 4 9 f f f ff nfnf f fnfn f [email protected] 9 n f fnf !f f9 f9 f !c"#9!"c# " f !fn f ff n # f f f f n f c fn f f f n f fn n f f nf f 4 ! f fn @ $ f !fnf fn $ f f f nfff $ f f fn n 4 $ f f f& $ fff fnf n f $ ff !nf! f f n n f fn nff 4 @ fn f 9 9 nf f n " n f# n f fn f f f n n $ #f n f f f !c"'c(#"!,!('@c9'c,#@$#D" $ f f fnf n f nf f " f f D9 f f 9 fffnnn 4 @ f f 9 n $ ff n @ n - f ff f f f @ f f f n @ n 9 $ n nnn f # f9 fn 9 f n 9'c,#@$#D"D-cD- $ f #f f . n f 9'c,#@$#D"@$#!'##'#' nf fn f ff $ f fff -0 @D-J #'(1'##.#"[email protected](c1f f #3$ nn!ffc D f f f 4 -nff f n f ! f f f f xf ff f fnff f f f f f #3fn [email protected] 4 fnn f ff @ fn f3 ffnn "n f f 4 @ fffnf fn "3n ff f ff f$ff$ f $ n #(1"!D,[email protected]'@'D" 'f ffn#ff f fn 4 ,f @f f nf $f @ f( f f f nf @ff f f f f f 9 f f3n f f fn f f f fffff fn 8 " f n @ fff fnf [email protected] fff" n$f f $ff fn& ffn f $f f f nf 0 !3 ff f fff n nffn f !3 $ f $ fffn .f f ff nf ff f n ff ff f (@#'I!#J"[email protected]$#D-#'Jc'( , f n f f f @ f $f n n3 4 -: @ @ f f nf ff n f f f f f $ n f @19!(#@D'#"c$#'c f ; ff " f f ff f n #f fnf #nf3ffnff f f nf ' ffff 4 ! ffn$ f 8 "ff n ffnf 4 f f $ f f f ff $f fnf ff f $ff ff f f nf $ f ff f f fn f 4 Df f f ff ff fn ff ff f @$#!I!#9'#[email protected] f f ff9f nfnnfn 4 $ f f f fff 4 cnf f fff n fnn f f 4 !f ! f # #-#@c'-#"@'c1#' 9 n nff f n fn ff nf nf fn @ f n f f n J f f n $ ff ff f