Question

深呼吸

有人會這題嗎？

人 和的人ro

 

 
  
 
 
   

AAxiwiziNG THE VoluME oFA Box A box with an open to
1s to be constructed from a s$duare piece of cardboai
10nm. wide, by Cutting out a square from each of the foui

Corners and bending up the sides. What is the maximum
volume of such a box?

  
 

(人

微積分

Answer 1

Sanbert Wong

先找出Volume in terms of x.
然後找dV/dx =0, x 是甚麼。
那麼那個x就是maximum或minimum.😁