If 4∫_0^1▒cot^(−1)⁡(1−2x+4x^2 ) dx=a tan^(−1)⁡2+b ln⁡5, then (a+b) | Definite Integration | скачать в хорошем качестве

If 4∫_0^1▒cot^(−1)⁡(1−2x+4x^2 ) dx=a tan^(−1)⁡2+b ln⁡5, then (a+b) | Definite Integration |

Join this channel to get access to perks:    / @aryabhataiitmaths   About this Video - In this video we have discussed a Question of IIT JEE MAINS of Definite Integration Chapter. Asked in IIT JEE MAINS January 21, 2026, Shift-2. It is a very GOOD question based on fundamental concept of integration. After seeing the video you will able to solve such problems very easily..... Question: If 4∫_0^1▒cot^(−1)⁡(1−2x+4x^2 ) dx=a tan^(−1)⁡2+b ln⁡5, then (a+b) is equal to (A) 6 (B) 8 (C) 3 (D) 5 Ans: C [JEE Mains January 21, 2026; Shift-2] NOTE : Please feel free to ask any doubt related from class 5 to class 12, IIT Advance and IIT Mains. We will definitely solve your doubt as soon as possible. Please Post your doubts in the comment box. These videos are the very informative for all competitive examinations such as IIT JEE Advance, IIT JEE Mains, KVPY, Mathematics Olympiads and many more. You will be able to solve problems of IIT Advance and Mains by using the concept covered in the video. Hi, I am your Maths Guru. Welcome to my channel Aryabhata IIT Maths. About this Channel - Friends this channel is managed by very experienced IIT faculty and IITian. Friends here you will learn fundamental concepts and problem solving skills. Our moto is to provide coaching to all the students of class 11, class 12, IIT Aspirants, Olympiad, NDA and various other competitive examinations free of cost. Our aim is to provide basic and Advance level concepts to all those students who are willing to learn and not able to pay fee of reputed coaching institutes. Please watch the videos till the end to learn basic and Advance concepts. For doubt related to any topic in Mathematics, please write in the comment box. Credit : "Thumbnail created with AI assistance from ChatGPT (DALL·E)." #iit | #iitjee | #aryabhataiitmaths | #jeemains | #jee | #pyqs | #iitadvanced | #tricks | #definiteintegrals | #integration | #indefinite_integral