![Ex 7.6, 8 - Part 2](https://d1avenlh0i1xmr.cloudfront.net/50a23d41-9a3e-47b1-bdd3-e51a3f8a730d/slide19.jpg)
Ex 7.6
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