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1950 AHSME Problems/Problem 38: Revision history

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20 January 2024

5 July 2013

29 April 2012

8 December 2011

  • curprev 19:4919:49, 8 December 2011 Yankeesfan talk contribs 1,008 bytes +1,008 Created page with "== Problem== If the expression <math> \begin{pmatrix}a & c\\ d & b\end{pmatrix} </math> has the value <math>ab-cd</math> for all values of <math>a, b, c</math> and <math>d</math..."
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