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證明:實際上只需證即可.設(shè)f(t)=et,g(t)=cost,則f(t)、g(t)在[x1,x2]上,滿足柯西中值定理條件,所以,c∈(x1,x2).即.例2(用柯西中值定理證明等式)設(shè)函數(shù)f(x)∈c[a,b] 且在(a,b)內(nèi)可導, 證明: c∈(a,b), 使得2c[f(b) f(a)]=(b2 a2)f'(c),其中a0.證明:(x)=x2, 則f(x)、g(x)滿足柯西中值定理條件,所以 c∈(a,b),使,即.四 總結(jié)通過以上內(nèi)容,說明微分中值定理有很多證法并且三個中值定理之間有內(nèi)在聯(lián)系,.五 參考文獻[1][J].(03).[2][J].高等職業(yè)教育—(06).[3][J].(03).[4][J]..[5][J].(06).[6][J].. ag an employment tribunal clai Emloyment tribunals sort out disagreements between employers and employees. You may need to make a claim to an employment tribunal if: you don39。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 organisations listed underFur 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 employment tribunal, you should get help straight away from one of the organisations listed underFurther help. ation about dismissal and unfair dismissal, seeDismissal. You can make a claim to an employment tribunal, even if you haven39。tappealedagainst the disciplinary action your employer has taken against you. However, if you win your case, the tribunal may reduce any pensation awarded to you as a result of your failure to appeal. Remember that in most cases you must make an application to an employment tribunal within three months of the date when the event you are plaining about happened. If your application is received after this time limit, the tribunal will not usually accept i. If you are worried about how the time limits apply to you If you are being represented by a solicitor at the tribunal, they may ask you to sign an agreement where you pay their fee out of your pensation if you win the case. This is known as adamagesbased agreement. In England and Wales, your solicitor can39。t charge you more than 35% of your pensationif 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 Advi