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Lowdermilk

9-30.30 22611

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میر ناف بال اور علاج

As UTILITY is the great object aimed at in this Publication, I have spared no pains to • make a careful selection of materials, from

the most approved sources, which may tend to elucidate, in a full and clear manner, the Elements of Algebra, both in theory and practice.

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Those author's of whose labours I have principally availed myself, are Euler, Clairaut, Lacroix, Garnier, Bezout, Lagrange, Newton, Simpson, Emerson, Wood, Bonnycastle, Bridge, and Bland.

To Bland's Algebraical Problems, (a work compiled for the use of Students in one of the first Universities in Europe), I am chiefly indebted for the problems in Simple, Pure, and Quadratic Equations.

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By permission of the learned Dr. Adrain, I have added, as an Appendix, his method of demonstrating algebraically_the propositions in the fifth book of Euclid's Ele. ments.

JAMES RYAN.

New-York, July 1, 1824,

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