For which pairs of numbers (x.y) is the function given below defined?
#(x^2+y^2)^(1/2) + (x^2+y^2-1)^(1/2)#
1 Answer
Mar 4, 2018
for
Explanation:
since we cannot take a square root of a negative number or raise it to a half power (unless using complex mathematics),
therefore, this function will be defined for all