exam oriented an important question from ML aggarwal, class 10th, chapter 7, ratio and proportion, Avichal publication
In this question ques we have been given that
x+y/ax+by=y+z/ay+bz=z+x/az+bx ,
We have to prove that each of these ratio is equal to 2/a+b unless x + y + z = 0
Question 19, 7.3
Solution:
It is given that
If x + y + z ≠ 0
Therefore, it is proved.