1. E

    Mathematics for aplications development.

    Hi, im doing test revision. Could someone take me through the steps to solving these two questions, the actuall answers and working isnt important, these are just random questions on a revision sheet and having left my notes at uni i have nothing to look at to help me. The plane 3x-y+z=0...
  2. 3

    Optimization. (aplications of differentiation)

    Alright.. 1) Find the dimension of the rectangle of the largest area that can be inscribed in an equilateral triangle of side L if one side of the rectangle lies on the base of the triangle. Ok... so, for the rectangle... the height will be y... and the length is x.. Area = XY...