Mark the correct alternative in each of the following:
Let f(x) = x2 and g(x) = 2x. Then the solution set of the equation fog(x) = gof (x) is
Given that f(x) = x2 and g(x) = 2x.
Also, fog(x) = gof (x)
⇒ f(2x)=g(x2)
⇒ 2x = x2
⇒ x2 – 2x=0
⇒ x(x-2)=0
⇒ x = 0 or x = 2