方程题(x-5)^2+(-2X-1)^2>5(X^2-10)(x-5)^2+(-2X-1)^2>5(X^2-10)解方程 (X-2)^2-(Y-3)^2=(X+Y)(X-Y)①﹛(X-3Y=2 ②
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![方程题(x-5)^2+(-2X-1)^2>5(X^2-10)(x-5)^2+(-2X-1)^2>5(X^2-10)解方程 (X-2)^2-(Y-3)^2=(X+Y)(X-Y)①﹛(X-3Y=2 ②](/uploads/image/z/2489680-64-0.jpg?t=%E6%96%B9%E7%A8%8B%E9%A2%98%28x-5%29%5E2%2B%28-2X-1%29%5E2%3E5%28X%5E2-10%29%28x-5%29%5E2%2B%28-2X-1%29%5E2%3E5%28X%5E2-10%29%E8%A7%A3%E6%96%B9%E7%A8%8B+%EF%BC%88X-2%29%5E2-%28Y-3%29%5E2%3D%28X%2BY%29%28X-Y%29%E2%91%A0%EF%B9%9B%28X-3Y%3D2+%E2%91%A1)
方程题(x-5)^2+(-2X-1)^2>5(X^2-10)(x-5)^2+(-2X-1)^2>5(X^2-10)解方程 (X-2)^2-(Y-3)^2=(X+Y)(X-Y)①﹛(X-3Y=2 ②
方程题(x-5)^2+(-2X-1)^2>5(X^2-10)
(x-5)^2+(-2X-1)^2>5(X^2-10)
解方程 (X-2)^2-(Y-3)^2=(X+Y)(X-Y)①
﹛
(X-3Y=2 ②
方程题(x-5)^2+(-2X-1)^2>5(X^2-10)(x-5)^2+(-2X-1)^2>5(X^2-10)解方程 (X-2)^2-(Y-3)^2=(X+Y)(X-Y)①﹛(X-3Y=2 ②
1)x²-10x+25+4x²+4x+1>5x²-50 -6x>-76 x<28/3
2)①化为x²-4x+4-y²+6y-9=x²-y² 4x-6y+5=0 ③ 由②得x=3y+2代入③ 得y=-13/6 ,x=-9/2