m为-4或6时,方程式产生增根3/(x+2)-2/(x-2)=mx/(x²-4)3(x-2)/(x²-4)-2(x+2)/(x²-4)=mx/(x²-4)(x-10)/(x²-4)=mx/(x²-4)x-10=mxm=(x-10)/x当2或-2为x的增根,所以当x=2或-2时,m=-4或6...