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24. ∫ |
a2 + x2 |
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Минимум для аудиторной работы
Непосредственное интегрирование: 1; 3; 4; 6; 7; 8; 9; 10; 15; 16; 17; 18; 19; 20; 24; 26; 30; 31; 32; 33; 35; 40; 43; 45; 48; 49.
Замена переменной в неопределенном интеграле: 1; 3; 4; 6; 7; 9; 10; 12; 13; 14; 16; 19; 20; 21; 25; 28; 29; 31; 35; 36; 38; 39; 42; 43; 45; 49; 50; 53; 55; 56.
Интегрирование по частям в неопределенном интеграле: 1; 4; 7; 9; 11.
Интегрирование рациональных функций: 1; 2; 6; 10; 12; 13; 16; 18; 20; 21; 23; 24; 26; 27; 29; 31.
Метод рационализации: интегрирование функций, рационально зависящих от тригонометрических: 1; 3; 4; 7; 8; 11; 12; 15; 16; 20; 23; 24; 25.
Метод рационализации: интегрирование простейших ирра-
циональностей: 3; 4; 8; 9; 12; 13; 16; 18.
3.4. ОТВЕТЫ
Непосредственное интегрирование
1.3sin x − 23 x3 +5x + ln x − 4arctgx +C .
2.2x3 − 4x2 − 4x +3ln x + 25x2 +C .
38. |
33 x + 6 6 x5 |
+C . |
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40. |
ln |
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44. |
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46. |
−ln |
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48.13 arcsin 3x −2 2 +C .
49.3 x2 + 2x + 2 − 4ln x +1 +
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arcsin |
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43. |
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arctg |
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+ C . |
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45. |
1 ln |
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+7x +12 |
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47.ln x +1 + x2 + 2x + 2 + C .
x2 + 2x + 2 + C .
Замена переменной в неопределенном интеграле
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(4x + 3)11 |
+C . |
2. |
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5. −13 (1 − x2 ) |
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−7 6 (8 −3x2 )+C . |
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9. |
−55 cos3 x +C . |
10. |
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arctg5 x |
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13. 2 |
1−ctg x +C . |
14. |
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1 ln |
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16. |
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48. |
3 (3 x −1)2 + 3ln |
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49. |
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50. |
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6 6 x7 − |
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x −6 6 x + 6arctg 6 x + C . |
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51. |
2(4 x −1)2 + 4ln |
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52. ln |
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2(2x −5) |
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54. |
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58. 3 3 |
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(a + x)7 − 3 a 3 |
(a + x)4 |
+C. |
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59. |
32 |
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Интегрирование по частям в неопределенном интеграле |
1. −5x −3 cos 2x + 5 sin 2x +C . |
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3. − |
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e−3x − |
1 e−3x +C . |
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4. |
x 3x |
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+C . |
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5.xarctg 2x − 14 ln (1 + 4x2 )+C .
6.x2 sin 3x − 2 − x cos3x + 1 sin 3x +C . 3 3 3 9
7. |
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arcctg x + |
1 x + |
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8. xarcsin |
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9 − x2 +C . |
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9. xln2 x − 2xln x + 2x +C . |
10. 2 x ln x − 4 |
x +C . |
11. |
(5x + 5 − x2 )cos(x +1)+ (2x −5)sin (x +1)+ C . |
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xln (1 + x2 )− 2x + 2arctg x + C . |
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