設有2a個x, 2a個-1/x, 2b個-1,則有x^(2a)*(-1/x)^2a*(-1)^2b=1
且2a+2a+2b=22, 即2a+b=11
2ax-2a/x-2b=0, 轉換成一元二次方程ax^2-bx-a=0, 求根公式得x=(b<+/->sqrt(b^2+4a^2)/(2a),
(a,b)共有5組解,比如a=1,b=9, 代入後得(取根號前是+的解,當然取-亦可)x=(9+sqrt(85))/2 即滿足條件的一個例子
設有2a個x, 2a個-1/x, 2b個-1,則有x^(2a)*(-1/x)^2a*(-1)^2b=1
且2a+2a+2b=22, 即2a+b=11
2ax-2a/x-2b=0, 轉換成一元二次方程ax^2-bx-a=0, 求根公式得x=(b<+/->sqrt(b^2+4a^2)/(2a),
(a,b)共有5組解,比如a=1,b=9, 代入後得(取根號前是+的解,當然取-亦可)x=(9+sqrt(85))/2 即滿足條件的一個例子
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