Integrals | Ex 7.2 Q21 to Q31 | Chapter 7 Class 12 Maths | Integration by Substitution Class 12 Integrals Class 12 Maths August 31, 2022MathsTeacherLeave a Comment on Integrals | Ex 7.2 Q21 to Q31 | Chapter 7 Class 12 Maths | Integration by Substitution Class 12 Maths Chapter 7 Integrals Exercise 7.2 Question 21 to Question 31 Solution Link Share this:WhatsAppTelegramTweetEmailLike this:Like Loading... Related