SOLUTION: The length of a rectangular plot of a land is 5 more than its breath,find the Dimension of the plot for which the area is minimum

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Question 920982: The length of a rectangular plot of a land is 5 more than its breath,find the Dimension of the plot for which the area is minimum
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

     .

A = Lw

A = (w+5)w

A = w^2 + 5w

A = (w - 5/2)^2 - 25/4

2.5 by 7.5 are the dimensions that will minimize Area