Ex 7.6, 8
Last updated at April 16, 2024 by Teachoo
Integration by parts
Ex 7.6, 3
Ex 7.6, 23 (MCQ)
Example 17
Ex 7.6, 1
Ex 7.6, 2 Important
Ex 7.6, 12
Example 21 Important
Ex 7.6, 21
Ex 7.6, 5 Important
Ex 7.6, 4
Ex 7.6, 6
Ex 7.6, 15
Example 18 Important
Ex 7.6, 14 Important
Ex 7.6, 7 Important
Ex 7.6, 9
Ex 7.6, 8 You are here
Ex 7.6, 11
Example 20 Important
Ex 7.6, 13 Important
Ex 7.6, 22 Important
Ex 7.6, 10 Important
Example 38 Important
Integration by parts
Last updated at April 16, 2024 by Teachoo
Ex 7.6, 8 𝑥 tan−1𝑥 𝑥 tan−1𝑥 𝑑𝑥 𝑥 tan−1𝑥 𝑑𝑥 = tan−1𝑥𝑥 𝑑𝑥 = tan−1𝑥 𝑥𝑑𝑥− 𝑑 tan−1𝑥𝑑𝑥 𝑥 .𝑑𝑥𝑑𝑥 = tan−1𝑥. 𝑥22 − 11 + 𝑥2 . 𝑥22. 𝑑𝑥 = 𝑥22 tan−1𝑥− 12 𝑥2 𝑥2 + 1 𝑑𝑥 = 𝑥22 tan−1𝑥− 12 𝑥2 + 1 − 1 𝑥2 + 1 𝑑𝑥 = 𝑥22 tan−1𝑥− 12 𝑥2 + 1 𝑥2 + 1 𝑑𝑥− 𝑑𝑥 𝑥2 + 1 = 𝑥22 tan−1𝑥− 12 𝑑𝑥− 𝒅𝒙 𝒙𝟐 + 𝟏 = 𝑥22 tan−1𝑥− 12𝑥+ 12 × 𝟏𝟏 𝐭𝐚𝐧−𝟏 𝒙𝟏+𝐶 = 𝒙𝟐𝟐 𝐭𝐚𝐧−𝟏𝒙− 𝒙𝟐+ 𝟏𝟐 𝐭𝐚𝐧−𝟏 𝒙+𝑪