Page:The Algebra of Mohammed Ben Musa (1831).djvu/209

 i.e. the quotient. This expression will be explained by definition of division (Kholāset al Hisāb, P. 105). القسمة طلب عدد نسبته الي الواحد كنسبة المقسوم الي المقسوم عليه “Division is the finding a number which bears the same proportion to the unit, as the dividend bears to the divisor.”

جذري] The MS. has جذر.

تمكننا لها صورة لا تحسن] An attempt at constructing a figure to illustrate the case of $$[100+x^2-20x]+[50+10x-2x^2]$$ has been made on the margin of the manuscript.

فخذ ما شئت] A marginal note in the manuscript defines this in the following manner. يعني اقسم العشرة كيف شئت اربعة حنطة وستة شعيرا او ستة حنطة واربعة شعيرا او ثلثة حنطة وسبعة شعيرا او عكس ذلك او كيف ما شئت فانه يصح العمل فيه حاشية من شرح المزيحفي “He means to say: divide the ten in any manner you like, taking four of wheat and six of barley, or four of barley and six of wheat, or three of wheat and seven of barley, or vice versa, or in any other way: for the solution will hold good in all these cases. (Note from Al Mozaihafi’s Commentary).”

The manuscript has a marginal note to this passage,