COMEDK2013MathematicsBasics of Mathematics
If x a-b = y b-c = z c-a , then x y z is equal to
Options
- A0
- B1
- C-1
- D2
Correct answer
B. 1
Step-by-step solution
Let x a-b = y b-c = z c-a =k x=k(a-b) , y=k(b-c) and z=k(c-a) Now' x+ y+ z=k(a-b+b-c+c-a) (x y z)=0 x y z=1