FunctionHard
Question
If S is the set of all real x such that
is positive, then S contains
is positive, then S containsOptions
A.

B.

C.

D.

Solution
Since, 
⇒
⇒
Hence, thon solution set is ,
x ∈ (- ∞, -1)
(-1/ 2,0)
(1/2, ∞)
Hence, (a) and (b) are the correct options.

⇒

⇒
Hence, thon solution set is ,x ∈ (- ∞, -1)
(-1/ 2,0)
(1/2, ∞)Hence, (a) and (b) are the correct options.
Create a free account to view solution
View Solution FreeMore Function Questions
If φ(x) = x2 + 1 and Ψ(x) = 3x, then φ {Ψ(x)} and Ψ {φ(x)} =...If f(y) = , g(y) = , then (fog)(y) equals-...If f : R → [−1,1], f(x) = sin x, then f is -...If(x) = cos[π2]x + cos[-π2]x, where [x] stands for the greatrst integer funiton, then...The period of the function f(x) = sin + cos(sin x) equal-...