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FUNDAC¸A˜O UNIVERSIDADE FEDERAL DO TOCANTINS CAˆMPUS UNIVERSITA´RIO DE PALMAS ENGENHARIA CIVIL - ENGENHARIA ELE´TRICA Professor: Gilmar Pires Novaes Aluno(a): Matr´ıcula: 2a LISTA DE EXERCI´CIOS DE CA´LCULO II INTEGRAC¸A˜O POR PARTES 1. ∫ cos(lnx)dx 2. ∫ xearcsenx√ 1− x2 dx 3. ∫ xearctgx (1 + x2) 3 2 dx 4. ∫ x2arctgxdx 5. ∫ xex (1 + x)2 dx 6. ∫ x2arcos ( 1 x ) dx 7. ∫ ln(ex + 1) ex dx 8. ∫ x3√ 1 + x2 dx 9. ∫ x2 (cosx + xsenx)2 dx 10. ∫ x2 1 + x2 arctgxdx 11. ∫ xcosx sen2x dx 12. ∫ xln ( 1− x 1 + x ) dx 13. ∫ arcsen( √ x)√ 1− x dx 14. ∫ arcsenx x2 dx 15. ∫ (arcsenx)2dx 2 RESPOSTAS 1. x 2 [sen(lnx) + cos(lnx)] + C 2. 1 2 (x− √ 1− x2)earcsenx + C 3. (x− 1)earctgx 2 √ 1 + x2 + C 4. x3 3 arctgx− 1 6 [1 + x2 − ln(1 + x2)] + C 5. ex 1 + x + C 6. x3 3 arccos ( 1 x ) − 1 6 ln(x + √ x2 − 1)− 1 6 x √ x2 − 1 + C 7. − ln(e x + 1) ex + x− ln(ex + 1) + C 8. x2 √ 1 + x2 − 2 3 (1 + x2) 3 2 + C 9. − x cosx(cosx + xsenx) + tgx + C 10. x arctgx− 1 2 ln(1 + x2)− 1 2 (arctgx)2 + C 11. − x senx ln ∣∣∣tg (x 2 )∣∣∣+ C 12. x2 − 1 2 ln ∣∣∣∣1− x1 + x ∣∣∣∣− x + C 13. −2√1− x arcsen(√x) + 2√x + C 14. −arcsenx x + ln ∣∣∣∣ x1 +√1− x2 ∣∣∣∣+ C 15. x(arcsenx)2 + 2 √ 1− x2 arcsenx− 2x + C
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