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

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