SOLUTION CHAPTER NO 4

SOLUTION EXERCISE NO 4.1

Solution Exercise No. 4.2

Solution Exercise NO. 4.3

Solution Exercise NO. 4.4

Solution Exercise NO. 4.5

 

Solution Exercise NO. 4.6

Solution Exercise NO. 4.7

Solution Exercise NO. 4.8

 

Solution EXERCISE NO . 4.9

 

    

Solution EXERCISE NO. 4.10