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**Jordan Belfort**

# Part - 6 Lecture - 11 Chapter 6 Application of Derivatives

**Topics discussed in this lecture:**

In this lecture I am discussing why we use concepts of Local Maxima and Local Minima to solve word problems in chapter 6 Applications of derivatives through question 17 of exercise 6.5

NCERT EXERCISE 6.5 |

**Question discussed in this lecture**

**Question 17. **A square piece of tin of side 18 cm is to be made into a box without top, by cutting a square from each corner and folding up the flaps to form the box. What should be the side of the square to be cut off so that the volume of the box is the maximum possible.

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