Question: d ) A rectangular fish tank with cover has a volume of 2 5 0 m 3 . The top cover and bottom of the
d A rectangular fish tank with cover has a volume of The top cover and bottom of the tank is specially designed with acrylic material costing cents per square While the sides are made from glass material costing cents per square Use Lagrange multipliers to find the dimensions of the tank so that the cost of the materials is minimized.
Sebuah tangki ikan dengan penutup mempunyai isipadu sebanyak Penutup dan dasar tangki direka khas dengan kos bahan akrilik sebanyak sen setiap meter persegi. Manakala sisisisinya dibuat dengan kos bahan gelas senyak sen setiap meter persegi. Gunakan pendarab Lagrange untuk mendapatkan dimensi tangka itu supaya kos bahanbahan adalah minimum.
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