展開:X+X*Y=2*Y-2
移項(xiàng):Y*(2-X)=2+X
所以Y=(2+X)/(2-X)
當(dāng)X=0,-1,3時(shí),Y分別為1,1/3,-5
X的取值范圍為 X不等于2
暈,那還不是一樣的方法
展開:X+X*Y=2Y-1
Y*(2-X)=X+1
所以Y=(X+1)/(2-X)
當(dāng)X=0,-1,3...時(shí)函數(shù)Y的值分別為0.5,0,-4
取值范圍為X不等于2
以知X=2Y-2除1+Y..求 Y關(guān)于X的函數(shù)解析式
以知X=2Y-2除1+Y..求 Y關(guān)于X的函數(shù)解析式
當(dāng)X=0,-1,3...時(shí)函數(shù)Y的值..
自變量X的取值范圍
錯(cuò)了錯(cuò)了...是X=2Y-1除1+Y
當(dāng)X=0,-1,3...時(shí)函數(shù)Y的值..
自變量X的取值范圍
錯(cuò)了錯(cuò)了...是X=2Y-1除1+Y
數(shù)學(xué)人氣:289 ℃時(shí)間:2020-06-17 02:17:09
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