Aditya Gupta
Last Activity: 4 Years ago
You have not written the question clearly. I assume the fn is sqrt(x - [x]).
Obviously, [x] is the greatest integer less than or equal to x.
Hence [x] is less than or equal to x for all x
Or x-[x] is greater than or equal to zero for all x
Hence, domain of fn is R, option A.
KINDLY APPROVE :))
