Problems from Stewart unless numbered "X", "XX", etc.

142W  HW#1 Due beginning of class, Tuesday, Jan 21.

[6.1] 4.
      6.
      46.

[6.2] X. (a) Calculate the volume of a triangular pyramid
         that has three sides of lengths 1, 2, and 3
         that meet at right angles.
	 
         (b) Redo the calculation for the case that the
         sides have lengths A, B, C, instead of 1, 2, 3.
         What fraction of the rectangular enclosing box
         (A by B by C) does the pyramid occupy? 
      4.
      16.

[6.3] 2.