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Two Theorems on Determinants, and their Application to the Proof of the Volume-Formula for Tetrahedra
Published online by Cambridge University Press: 31 October 2008
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Theorem I. If to each of the elements of any row of a determinant there be added the same fraction of the difference between the corresponding elements in two other rows, the value of the determinant is unaltered. This is a case of a well known elementary theorem.
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- Copyright © Edinburgh Mathematical Society 1913