Search for: If, fx−4x+2=2x+1,(x∈R−{1,−2}) then, ∫f(x)dx is equal to : (where C is a constant of integration If, fx−4x+2=2x+1,(x∈R−{1,−2}) then, ∫f(x)dx is equal to : (where C is a constant of integration A12loge|1−x|−3x+CB−12loge|1−x|−3x+CC−12loge|1−x|+3x+CD12loge|1−x|+3x+C Fill Out the Form for Expert Academic Guidance!l Grade ---Class 1Class 2Class 3Class 4Class 5Class 6Class 7Class 8Class 9Class 10Class 11Class 12 Target Exam JEENEETCBSE +91 Preferred time slot for the call ---9 am10 am11 am12 pm1 pm2 pm3 pm4 pm5 pm6 pm7 pm8pm9 pm10pm Please indicate your interest Live ClassesBooksTest SeriesSelf Learning Language ---EnglishHindiMarathiTamilTeluguMalayalam Are you a Sri Chaitanya student? NoYes Verify OTP Code (required) I agree to the terms and conditions and privacy policy. Solution:Given, fx−4x+2=2x+1Put, x−4x+2=t⇒x−4=2t+xt⇒x−xt=2t+4⇒x(1−t)=2(t+2)⇒x=2(t+2)1−t∴ (i) becomes f(t)=22(t+2)1−t+1=−4(t+2)t−1+1or f(x)=−4(x+2)x−1+1 …(ii)On integrating (ii), we get∫f(x)dx=−4∫(x+2)x−1dx+∫1dx=−4∫x+3−1x−1dx+x=−4∫1dx−12∫1x−1dx+x=−3x+12∫11−xdx=−3x+12loge|1−x|+C Related content Class 9 Science MCQ Chapter 12 Sound CBSE Class 12 English MCQ with Answers (Flamingo & Vistas) CBSE Class 7 Science MCQ Questions with Answers CBSE Class 12 Subject Wise MCQ 2024-25 ICSE Class 10 Toppers List 2024 Available Tenses Worksheet for Class 10 CBSE Class 7 Science Chapter 4 Heat MCQ Questions with Answers Nephron Diagram Class 10 CBSE Class 7 Science Chapter 2 Nutrition in Animals MCQ with Answers Rabindranath Tagore Jayanti 2024