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Let  and h(x) = f(|x|) + |f(x)|.

Then  is equal to:

  1. 2
  2. 4
  3. 1
  4. 6

Answer (Detailed Solution Below)

Option 1 : 2

Detailed Solution

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Explanation:

 h(x) = f(|x|) + |f(x)|.

 

i.e., 

So,  

=  + 

=  + 0

=  = 2

Option (1) is true.

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