1/﹙2x+3﹚+21/﹙2x³+3x²-2x-3﹚-3/﹙x²-1﹚-1/﹙2x²+5x+3﹚=0
1/﹙2x+3﹚+21/﹙2x³+3x²-2x-3﹚-3/﹙x²-1﹚-1/﹙2x²+5x+3﹚=0
数学人气:538 ℃时间:2020-06-08 19:22:09
优质解答
2x³+3x²-2x-3=x²(2x+3)-(2x+3)=(x²-1)(2x+3)=(x+1)(x-1)(2x+3)2x²+5x+3=(2x+3)(x+1)1/﹙2x+3﹚+21/﹙2x³+3x²-2x-3﹚-3/﹙x²-1﹚-1/﹙2x²+5x+3﹚=0((x²...
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