Question
Mathematics Question on Relations and functions
A= the domain off where f(x)=logx2 and B = the domain of g where g(x)=2logx, then A−B=
A
ϕ
B
(−∞,0)
C
(0,∞)
D
(0,1)
Answer
(−∞,0)
Explanation
Solution
Domain of f=(−∞,0)∪(0,∞), domain of g=(0,∞)