wide along two sides.For what value of x is the cross section area a max.
A trough is made from a rectangular strip of sheet metal, 50cm wide bending up at right angles a strip x cm ?
The cross section area is
x (50 - 2x) = 50x - 2x^2
which is maximal when x = 12.5cm
Subscribe to:
Post Comments (Atom)
wide along two sides.For what value of x is the cross section area a max. A trough is made from a rectangular strip of sheet metal, 50cm wide ... metaltrough.blogspot.com
ReplyDelete