Check sibling questions

Ex 6.2,12 - Chapter 6 Class 12 Application of Derivatives - Part 7

Introducing your new favourite teacher - Teachoo Black, at only ₹83 per month


Transcript

Ex 6.2, 12 Which of the following functions are strictly decreasing on (0,𝜋/2) ? (D) tan 𝑥f(𝑥) = tan 𝑥 f’(𝒙) = sec2 𝒙 As square of any number is always positive So, f’(𝑥) > 0 for all values of 𝑥 ∴ f is strictly increasing on (0 , 𝜋/2)

Davneet Singh's photo - Teacher, Engineer, Marketer

Made by

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.