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t.-l ,\l"- r"

t.-l ,\l"- r"

t.-l ,\l"- r"

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25. Laplace-transzformrici6rr6.et +ztet +;*et.r:r,.tet +!t2et.l18.Elemi tr6rtekre bont6ssal, vagr a 1O6. feladat megold6s:ihoz hasonl6an,=# i (* - "t*'*sar: 7{1) r1(chr -''o" i)'rre.A :;(fir.azonossis arapiro:*eLl F=)/ - 3 rE l#-l= i(cosr+chr).\rl' o'F.-Flt-2F = G+. fry. h- #1y+ifi'ttxt - [ =---:-\ =!r'""' - 2te2t + ge2t - tet - get.t(p- 1)2(p-2)3 J - 2"121. T 25.21 szerint--,{ 1 I I --,f I I --,( I It' =4' * L' tF+l' FlrI lF+1J \i411'lgy a t{blezat V. kdplete 6s a 42. feladat eredm6nye szerint,-'{Gnh't}l22.Haszndljuk fel az el6zd feladat eredm6ny6t!= sinr+sinl: - t"o"r) .}Ginr'-' {@+rF Fh} ='-'{iF+,;'}.'-' {"i} =ebb6l, parcirilis iutegrrilissal,,' {'+ry}= t - r cos r) * sin r;](sin= - /' }Gio,""oss)sin(r - s)ds = - }{rt),iot - !r"o,t.rzs. c- (cos 3r) *(cos2r) = {fiU fia,r\= }{r",,, a, - r.,,' zr).r24. L-' r} = (re-z') *(e-t)= -(t + t)e-2t + e-l.{ @+* #'. ( 1 r I1r5.4-ttF;#,tl= (sint)+(e') = j{-sint-cosr+e'). (A konvohici6sintegrr4,l kiszii"mitrisri.hoz lisd a 51. feladat megoldrisrnt.)126. Az el6z6 feladat eredmdny6t felhaszndlvar-' {5-fr,O= - ot} l,-"t"' "ost + e') * 1(t) := f' |t-"t" " - coss * e'). I ds : ]{",+ "o"r - sin I - 2).25.16

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