Activities 731
Finding the Minimum Surface Area Analytically
Perform the following steps to solve the problem analytically on the Home screen.
Running a Tutorial Script Using the Text Editor
This activity shows you how to use the Text Editor to run a tutorial script.
1. Solve for
x and y in terms of v.
Enter:
solve(d(sa(x,y,v),x)=0 and
d(sa(x,y,v),y)=0,{x,y})
2. Find the minimum surface area when the
value of
v equals 300.
Enter:
300!v
Enter:
sa(v^(1/3), v^(1/3),v)
Note:
Press ¸ to obtain the exact
result in symbolic form. Press 8¸ to
obtain the approximate result in decimal
form.
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