Revision history of "1964 AHSME Problems/Problem 4"

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  • (cur | prev) 02:49, 23 July 2019Talkinaway (talk | contribs). . (1,943 bytes) (+1,943). . (Created page with "== Problem == The expression <cmath>\frac{P+Q}{P-Q}-\frac{P-Q}{P+Q}</cmath> where <math>P=x+y</math> and <math>Q=x-y</math>, is equivalent to: <math>\textbf{(A)}\ \frac{x^...")
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