**Level:** F.Sc (Pre-Engg)**Class:** 2nd Year**Board:** Punjab Textbook Board**Subject:** Mathematics**Chapter No.3:** Integration**Exercise:** 3.1**Type:** Solution Notes**Author:** Prof. Ahmad Ali**Pages:** 11**PDF Size:** 5.98 MB

**In this exercise we will read these topics:**

- What is the differential of a function f(x) and what is the differential coefficient?
- What is the difference between delta(y) and dy?
- Use differential to find approximate value.
- Find the approximate increase in the volume of a cube of the length its each edge changes from 5 to 5.02.
- Find the approximate increase in the area of a circular disc if its diameter is increased from 44com to 44.4.