Question

log10x - log10y=2 and x-y=99

Answer 1

Answer:

Step-by-step explanation:

log  

10

​  

x+log  

10

​  

y=2,  where x,y>0

⇒log  

10

​  

xy=2[∵loga+logb=log(ab)]

⇒xy=10  

2

=100

On solving xy=200 and x−y=15 , we get

x=20,y=5