Question: 
(x-1 + y-1)-1 এর সরলকৃত রাশি কোনটি?
x/(x + y)
xy/(x + y)
y/(x - y)
xy/(x + y)
xy/(x - y)
Answer: 
xy/(x + y)
Last Updated: 
08/11/2021 - 03:24