Use app×
QUIZARD
QUIZARD
JEE MAIN 2026 Crash Course
NEET 2026 Crash Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
10.9k views
in Integrals calculus by (37.0k points)

Find the value of ∫(ln x/(x2 + 2x + 4)) dx for x ∈ [0,∞].

1 Answer

+2 votes
by (38.6k points)
selected by
 
Best answer

Let

(Let x = 2t 

dx = 2dt)

= I1 + I2 (say)

Now, 

= I

2I2 = 0 

I2 = 0

Also,

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

...