Mathematics Part-II

Book: Mathematics Part-II

Chapter: 7. Integrals

Subject: Maths - Class 12th

Q. No. 21 of Exercise 7.4

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21

Integrate the functions.


⇒


⇒


⇒


Now, Let us consider


Let x2 + 2x + 3 = t


⇒ (2x + 2)dx = dt


… (1)


And, now let us consider


⇒ x2 + 2x + 3 = x2 + 2x + 1 + 2 = (x +1)2 + (2


⇒


Using eq. (1) and (2), we get,


⇒


⇒


21

Chapter Exercises

Exercise 7.2
Exercise 7.4
Exercise 7.5
Exercise 7.3
Exercise 7.1
Exercise 7.6
Exercise 7.8
Exercise 7.9
Exercise 7.10
Exercise 7.11
Exercise 7.7
Miscellaneous Exercise

More Exercise Questions

1

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2

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3

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4

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5

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6

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7

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8

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9

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10

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11

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12

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13

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14

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15

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16

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17

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18

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19

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20

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21

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22

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23

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24

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