Step-by-step explanation:
Question 3 :
We have ,
- a = bc . . . . . (i)
- b = ac . . . . . (ii)
- c = ab . . . . . (iii)
Multiplying all three equations ,
=> a × b × c = bc * ac * ab
=> abc = a²b²c²
=> abc/a²b²c² = 1
=> 1/abc = 1
=> abc = 1
[tex]\rule{200}2[/tex]
