【正文】 ln3 23 2． xx d)12( 10? ? 解： xx d)12( 10? ? cxxdx ???????? ?? 11010 )12(110 121)12()12(21 cx ??? 11)12(221 3． xx xd1sin2? 11 解： xx xd1sin2? cxxdx ???? ? 1c os)1(1s in 4． ? xxx d2sin 解： ? xxx d2sin ?? ????? )2c os2c os(212c os21 x dxxxxxd cxxx ???? 2s in412c os21 5． ? ? xxexd 解： ? ? xxexd cexedxexex d e xxxxx ????????? ????? ?? )( 四、極值應用題（每小題 12 分，共 24 分） 1． 設矩形的周長為 120 厘米，以矩形的一邊為軸旋轉一周得一圓柱體。 解：設矩形的一邊長為 x 厘米，則另一邊長為 x?60 厘米，以 x?60 厘米的邊為軸旋轉一周得一圓柱體，則體積 V 為： )60(2 xxV ??? ，即： 3260 xxV ?? ?? 23120 xxdxdV ?? ?? ，令 0?dxdV ，得： 0?x （不合題意，舍去）， 40?x ，這時 2060 ??x 由于根據實際問題，有最大體積，故當矩形的一邊長為 40 厘米、另一邊長為 60 厘米時， 才能使圓柱體的體積最大。 解：由 cxdxx ??? 2332 得所求的曲線方程由 cxy ?? 2332 確定 因為曲線過 )5,4( ，所以 c??? 234325 ，解得： 31??c 因此所求的曲線方程為 3132 23 ?? xy 4．若 ????? dxxx )235(11 3 ． 解： ????? dxxx )235(11 3 442)35(101 11 1 3 ???? ??? ?? dxdxdxxx 5．由定積分的幾何意義知， xxaa d0 22? ?= 。 解：微分方程的通解為 ? ???? ? ])([ )()( cdxexqey dxxpdxxp 這里xxp 1)( ??， xxxq 2sin2)( ? 代入得微分方程的通解為 )2cos( cxxy ??? 四、證明題（本題 4 分） 證明等式 ?? ???? aa a xxfxfxxf 0 )]()([)( dd。t agree with the disciplinary action your employer has taken against you your employer dismisses you and you think that you have been dismissed unfairly. For more informu, take advice from one of the anisations listed under Fur ther help. Employment tribunals are less formal than some other courts, but it is still a legal process and you will need to give evidence under an oath or affirmation. Most people find making a claim to an employment tribunal challenging. If you are thinking about making a claim to an emp loyment tribunal, you should get help straight away from one of the anisations listed under Further help. ation about dismissal and unfair dismissal, see Dismissal. You can make a claim to an employment tribunal, even if you haven39。t charge you more than 35% of your pensation if you win the case. You are clear about the terms of the agreement. It might be best to get advice from an experienced adviser, for example, at a Citizens Advice Bureau. To find your nearest CAB, including those that give advice by , click on nearest CAB. For more information about making a claim to an employment tribunal, see Employment tribunals. The (lack of) air up there Watch m Cay man Islandsbased Webb, the head of Fifa39。s 150th anniversary celebrations and will attend City39。s about how he felt and I would like to speak to him first to find out what his experience was. Uefa has opened disciplinary proceedings against CSKA for the racist behaviour of their fans during City39。s governing body, has also ordered an immediate investigation into the referee39。s plaint. In a statement the Russian side added: We found no racist insults from fans of CSKA. Age has reached the end of the beginning of a word. May be guilty in his seems to passing a lot of different life became the appearance of the same day?；蛟S是愧疚于自己似乎把轉瞬即逝的很多個不同的日子過成了同一天的樣子；或許是追溯過去，對自己那些近乎偏執(zhí)的怪異信念的醒悟，這些天以來，思緒一直很凌亂，在腦海中不斷糾纏。二十年的人生軌跡深深淺淺，突然就感覺到有些事情，非做不可了。 Junior high school, thought to have a crush on just means that the real growth, but over the past three years later, his writing of alumni in peace, suddenly found that isn39。 Then in high school, think don39。t remember his appearance. Baumgartner the disappointing news: Mission aborted. r plays an important role in this mission. Starting at the ground, conditions have to be very calm winds less than 2 mph, with no precipitation or humidity and limited cloud cover. The balloon, with capsule attached, will move through the lower level of the atmosphere (the troposphere) where our daytoday weather lives. It will climb higher than the tip of Mount Everest ( miles/ kilometers), drifting even higher than the cruising altitude of mercial airliners ( miles/ kilometers) and into the stratosphere. As he crosses the boundary layer (called the tropopause),e can expect a lot of turbulence. We often close ourselves off when traumatic events happen in our lives。我們假裝一切仿佛都不曾發(fā)生，以此試圖忘卻傷痛，可就算隱藏得再好，最終也還是騙不了自己。下面六個方法有助于你更完滿透徹地敞開心扉。如果我們一味逃避生活中的悲傷，悲傷只會變得更強烈更真實 —— 悲傷原本只 是稍縱即逝的情緒，我們卻固執(zhí)地耿耿于懷 By utilizing our breath we soften our experiences. If we dam them up, our lives will stagnate, but when we keep them flowing, we allow more newness and greater experiences to 感受。