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跪求f(x)=(根号下x^2-3x-4)/x11.2(x3)2=x(x3)2.x22根号5x2=02X-Y3=0,L2:4X-2Y-1=0,L3:XY-1=0n22n-n22n=150
题目详情
跪求f(x)=(根号下x^2-3x-4)/x 11.2(x 3)2=x(x 3) 2.x22根号5x 2=0
2X-Y 3=0,L2:4X-2Y-1=0,L3:X Y-1=0n2 2n-n2 2n=150
2X-Y 3=0,L2:4X-2Y-1=0,L3:X Y-1=0n2 2n-n2 2n=150
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答案和解析
CF=CA AF=CA AB/23AB BC CA)/2=0比如m2-2m 1-4m
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