# 2nd Year Mathematics Chapter 3 Notes

## “Integration”

## Exercise 3.1

Q.1:- Find ∂y and dy in the following given cases.

Q.2:- Using differentials find dy/dx and dx/dy in the given equations.

Q.3:- Use differentials to approximate the given values.

Q.4:- Find the approximate increase in the volume of a cube if the length of its each edge change from 5 to 5.02.

Q.5:- Find the approximate increase in the area of a circular disc if its diameter is increase from 44 to 44.4.