Show that is a decreasing function on (0, ∞).

Question

Philoid · Accepted Answer

we have

let x₁,x₂ (0,) We have, x₁ > x₂

⇒

⇒ f(x₁) < f(x₂)

Hence, x₁ > x₂⇒ f(x₁) < f(x₂)

So, f(x) is decreasing function