Darone

How to find the values of x,y and z and to show the condition stated below? 2yz + zx − 5xy = 2 yz − zx + 2xy = 1 yz − 2zx + 6xy = 3 Show that xyz = ±6 and find all possible values of x, y and z.

A sign containing 50 m^2 of printed material is required to have margins of 4 m at the top and bottom and 2 m on each side. a. Find a mathematical model expressing the total area of the sign as a function of the horizontal dimension of the region covered...