Para hallar los extremos hay que resolver la ecuación
dxdf(x)=0(la derivada es igual a cero),
y las raíces de esta ecuación serán los extremos de esta función:
dxdf(x)=primera derivadae2x−1tan2(x)+1−(e2x−1)22e2xtan(x)=0Resolvermos esta ecuaciónRaíces de esta ecuación
x1=7.06943096389999x2=29.0552751468191x3=82.4667771569824x4=66.7588434775171x5=25.9179268232698x6=3650219.43631002x7=13.3517665954103x8=22.7765463052278x9=21.908394444317x10=303.648946954791x11=98.1747705021718x12=14413.475701446x13=1903.60146135975x14=60.475655841018x15=98.174741869371x16=504.902241247893x17=1.03841563726656x18=25.918129436993x19=32.2013247418039x20=50.3680730377739x21=39.0902727499673x22=7.06798102285062x23=54195.9007622273x24=91.8915760192588x25=88.7499920633502x26=10.2101354071304x27=3.94073313569291x28=47.9092783089831x29=13.3517699020769x30=31.4142468707456x31=60.4756584331219x32=44.7676948914779x33=7.06798104991329x34=69.9004366341518x35=73.006938040758x36=103.308122851043x37=47.9092880515278x38=61.7702424093541x39=116.45721053301x40=25.9172713828843x41=35.342915423867x42=63.6172518113096x43=1192.06973386492x44=57.3340640422361x45=82.466807014469x46=63.6172472513623x47=91.8915852168499x48=1093.45039666415x49=29.0597311101121x50=54.1924419909645x51=2174.21619762905x52=73.0420283023126x53=1276.23125428615x54=3.91286004365428x55=69.9004271695477x56=101.316361275969x57=41.6260985772562x58=215.963337872594x59=178.626504570686x60=68.6812469957114x61=16.4931135506018x62=51.0508797064333x63=353.555550942936x64=85.9041250054655x65=130.553050526301x66=19.6349545976546x67=10.2102021407676x68=76.1835919739591x69=25.9181394689439x70=375.949617452605x71=104.948291699965x72=111.988968300685x73=415.723398319174x74=54.1924733270196x75=101.568116241867x76=38.4844973672652x77=16.4933563010577x78=85.6084004219006x79=1705.32420908187x80=119.839356170111x81=32.2012919127297x82=1910.23456138949x83=79.325212659594x84=95.0331768977606x85=41.6261032033073x86=19.6349499002663x87=16.4933612653207x88=38.4845098516913x89=135.56426144606x90=85.6083959226871x91=197.682638343258x92=76.1836219136185Signos de extremos en los puntos:
(7.069430963899989, 7.24947776846024e-7)
(29.055275146819106, 5.74165908857836e-26)
(82.46677715698245, 2.34553232900158e-72)
(66.75884347751709, 1.03277320490739e-58)
(25.917926823269752, 3.0746108937031e-23)
(3650219.436310024, -1.02265341922139e-3170541)
(13.351766595410286, 2.52813925652416e-12)
(22.776546305227832, 1.64642847758464e-20)
(21.90839444431696, -7.75162982196271e-21)
(303.64894695479086, -3.40259362340927e-264)
(98.17477050217181, 5.32694097818438e-86)
(14413.475701445954, -6.2736158879614e-12521)
(1903.6014613597451, -7.37575963085113e-1655)
(60.47565584101803, 2.96149072679543e-53)
(98.17474186937098, 5.32694097818421e-86)
(504.90224124789313, -3.48917640026392e-439)
(1.0384156372665563, 0.243217265781763)
(25.918129436992963, 3.07461089374247e-23)
(32.20132474180388, 1.07222207986097e-28)
(50.368073037773875, 1.83435123034787e-45)
(39.09027274996735, 6.13086324789531e-34)
(7.067981022850621, 7.24947777569955e-7)
(54195.900762227284, 3.21354698691675e-47075)
(91.89157601925884, 1.52750732049582e-80)
(88.74999206335016, 8.17967423878503e-78)
(10.210135407130412, 1.35379747770265e-9)
(3.940733135692915, 0.000388351219548046)
(47.90927830898309, 2.43512471105294e-42)
(13.351769902076903, 2.52813925652416e-12)
(31.414246870745593, -8.69270581765751e-31)
(60.475658433121914, 2.96149072679543e-53)
(44.76769489147791, 1.303988962931e-39)
(7.067981049913294, 7.24947777569955e-7)
(69.9004366341518, 1.92864481500706e-61)
(73.00693804075802, 3.60142598563987e-64)
(103.30812285104271, -7.06594072409094e-91)
(47.90928805152782, 2.43512471105294e-42)
(61.77024240935412, -3.9828068371911e-54)
(116.45721053301014, 1.55792361781381e-102)
(25.917271382884298, 3.07461089106145e-23)
(35.34291542386698, 2.0023133298132e-31)
(63.61725181130964, 5.53041433277473e-56)
(1192.0697338649243, 2.29508166142089e-1035)
(57.33406404223607, 1.58585357211292e-50)
(82.46680701446898, 2.34553232900166e-72)
(63.61724725136229, 5.53041433277473e-56)
(91.8915852168499, 1.52750732049582e-80)
(1093.450396664145, 3.10076189112941e-951)
(29.059731110112104, 5.74165976634959e-26)
(54.19244199096452, 8.49211354750576e-48)
(2174.2161976290536, 7.53716242697009e-1890)
(73.04202830231262, 3.60163374183124e-64)
(1276.2312542861546, 2.78082220127653e-1109)
(3.912860043654276, 0.000388356826050093)
(69.9004271695477, 1.92864481500706e-61)
(101.3163612759689, 9.94775721194786e-89)
(41.626098577256194, 6.98275208545944e-37)
(215.96333787259363, -2.72276659498928e-188)
(178.62650457068557, -3.34665320918683e-156)
(68.68124699571136, -1.02332162001827e-60)
(16.49311355060181, 4.7211552792339e-15)
(51.05087970643329, 4.54745594245833e-45)
(353.55555094293646, -6.33228077428679e-307)
(85.90412500546552, 4.54908258335329e-75)
(130.55305052630084, -2.24197532672518e-113)
(19.634954597654616, 8.81648711164915e-18)
(10.21020214076764, 1.35379747770255e-9)
(76.18359197395908, 6.72584475345676e-67)
(25.91813946894386, 3.07461089374248e-23)
(375.94961745260514, -4.86605609924963e-327)
(104.94829169996466, 2.29241132778391e-91)
(111.98896830068516, -1.0714508524121e-97)
(415.7233983191736, 1.35470509547705e-361)
(54.192473327019606, 8.49211354750611e-48)
(101.56811624186737, 1.01764698135817e-88)
(38.48449736726518, 3.73920547436167e-34)
(16.493356301057688, 4.72115527932978e-15)
(85.60840042190057, 4.38014729978027e-75)
(1705.3242090818685, -3.7327202566071e-1482)
(119.83935617011134, 4.00482841367776e-105)
(32.20129191272966, 1.07222207986092e-28)
(1910.2345613894888, 9.10926310678595e-1661)
(79.32521265959404, 1.25601298994396e-69)
(95.03317689776057, 2.85253244329066e-83)
(41.626103203307274, 6.98275208545944e-37)
(19.634949900266303, 8.81648711164915e-18)
(16.493361265320694, 4.72115527932978e-15)
(38.48450985169134, 3.73920547436168e-34)
(135.56426144606013, 9.17067291307826e-119)
(85.60839592268708, 4.38014729978027e-75)
(197.68263834325762, -4.77923012662488e-173)
(76.18362191361852, 6.725844753457e-67)
Intervalos de crecimiento y decrecimiento de la función:Hallemos los intervalos donde la función crece y decrece y también los puntos mínimos y máximos de la función, para lo cual miramos cómo se comporta la función en los extremos con desviación mínima del extremo:
Puntos mínimos de la función:
x1=1.03841563726656x2=3.94073313569291x3=44.7676948914779x4=69.9004366341518x5=51.0508797064333x6=10.2102021407676x7=54.1924733270196x8=85.6083959226871Puntos máximos de la función:
x8=7.06798102285062x8=7.06798104991329x8=3.91286004365428Decrece en los intervalos
[85.6083959226871,∞)Crece en los intervalos
(−∞,1.03841563726656]