BEING

A COMPLETE AND EASY INTRODUCTION
TO ANALYTICAL SCIENCE.

BY

THE REV. P. KELLAND,

M.A., F.R.S., V.P.R.S.E.

PROFESSOR OF MATHEMATICS IN THE UNIVERSITY OF EDINBURGH.
FORMERLY FELLOW OF QUEENS' COLLEGE, CAMBRIDGE.

EDINBURGH:

ADAM AND CHARLES BLACK.

BRUSH

PRINTED BY B. AND R. CLARK, EDINBURGH.

Simple Equations-more than one Unknown Quantity 127

Problems which lead to Simple Equations

Pure Quadratic Equations

Adfected Quadratics-One Unknown Quantity

137

154

155

more than one Unknown Quantity 163

Problems which lead to Quadratic Equations—

One Unknown Quantity

Two Unknown Quantities

170

176

VI. On the Interpretation of the Solution of an Equation. 182