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VI.—Least Roots of Equations

Published online by Cambridge University Press:  14 March 2016

J. Douglas Hamilton Dickson*
Affiliation:
St Peter's College, Cambridge

Extract

(I.) Let F(x) = 10 + b1x + … + bnxn = 0 be an equation whose roots are all real and different; then

where ϕ(x) = 1 + a1x + … + amxm and Σ indicates summation for all the roots of F(x) = 0: of which r is a root.

Let also

then

and equating coefficients of like power of x,

whence

the suffix number indicating the order of the determinant.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1876

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