1) f (x) > 0 ∀ x ∈ R 2) f (x) < 0 ∀ x ∈ R 3) f (x) = 0 ∀ x ∈ R 4) f (x) < x2 ∀ x ∈ R Solution: (1) f (x) > 0 ∀ x ∈ R... View Article
1) - [y (y + x log y) / x (y log x + x)] 2) [y (x + y log x) / x (y + x log y)] 3) [y (y + x log y) / x (y log x + x)] 4) None of these... View Article
, then 1) f(x) is continuous on R 2) f(x) is continuous on R but is not differentiable on R 3) f(x) is discontinuous at every integer 4) None... View Article