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Textbook Expert
Textbook ExpertVerified Tutor
19 Oct 2021

Given information

The given volume of spherical balloon is,

Here, r  is the radius of the spherical balloon.

 

The radius of required to inflate the balloon is r+1.  

Step-by-step explanation

Step 1.

The function f(r) of the amount of air required to inflate the balloon from a radius of r to a radius of r+1  is calculated as,

 

The given volume of spherical balloon is

Then,

 

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