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Question

 What is the value of (gofofogogof) (x) (fogofog) (x)
  1. x
  2. x2


Solution

The correct option is B x2

Option (b)

{go fo fo go go f(x)} { fo go fo g (x)} from Q. 3, We have fog (x) = gof (x) = x

Therefore above expression becomes (x) . (x) = x2

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