RD Sharma Class 12 Solutions Maths Chapter 5 Algebra Of Matrices Exercise 5.2

RD Sharma Solutions Class 12 Chapter 5 Exercise 5.2

Exercise 5.2

Practise This Question

f (x) = c o s (\frac{π}{x}), x \neq 0

increases in the interval

(\frac{1}{2 k + 1}, \frac{1}{2 k})

(\frac{1}{2 k} + 2, \frac{1}{2 k} + 1)

(\frac{1}{2 k} + 1, \frac{1}{2 k} + 3)

(\frac{1}{2 k + 1}, \frac{1}{2 k} + 3)