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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
12 Nov 2021

Given information

Given function and .

Step-by-step explanation

Step 1.

Given function   and   

Take    

Apply  case  since both are even function.

Substitute  for ,

Solve

    

Therefore, the given function satisfies the condition of an even function.

Hence, proved that if and  are both even functions, is product also even.

 

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