Conditions obtained by Multiplication of Determinants

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The condition that ax2 + 2hxy + by2 + 2gx + 2fy + c = 0 should represent two straight lines can be obtained very easily by considering the product

which is equal to

and is identically zero.

Type: Research Article
Information: Edinburgh Mathematical Notes , Volume 25 , January 1930 , pp. x - xii

DOI: https://doi.org/10.1017/S1757748900002024 [Opens in a new window]

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Conditions obtained by Multiplication of Determinants

Volume 25
R. J. T. Bell
DOI: https://doi.org/10.1017/S1757748900002024

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Conditions obtained by Multiplication of Determinants

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