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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
24 Jan 2022

Given information

It is given that

magnification factor  

The distance of the book  

  

Step-by-step explanation

Step 1.

We know that

magnification factor of a lens,

 

-----------------(1)

where 

  is the image distance

and 

  is the object distance

 

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