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Eliminate "x" from equation x-1/x =p , x2+ 1/x2 = 2q2 (2 is square)
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Eliminate "x" from equation x-1/x =p , x2+ 1/x2 = 2q2 (2 is square)

User Lemon Drop
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hello :
buy identity :
( x-1/x)² = x² + 1/x² -2(x)(1/x)
p² = 2q² - 2 .... (Eliminate "x" )
User Marco Borchert
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