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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
19 Dec 2021

Given information

The given expression is  

Step-by-step explanation

Step 1.

(a)

We need to show that

  for  

Since  

Cubing both sides of  

 

Adding 1 to both the sides

  …….(A)

Taking square root on both sides

 

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