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解分式方程:8/(4x^2-1)+(2x+3)/(1-2x)=1
人气:328 ℃ 时间:2020-02-20 22:06:12
解答
8/(4x^2-1)+(2x+3)/(1-2x)=1 8/(4x^2-1)-(2x+3)/(2x-1)=1 8/(4x^2-1)-(2x+3)(2x+1)/(2x-1)(2x+1)=1 [8-(2x+3)(2x+1)]/(4x^2-1)=1 8-(4x^2+8x+3)=(4x^2-1) 8x^2+8x-6=04x^2+4x-3=0(2x+3)(2x-1)=0x1=-3/2x2=1/2 代入检...
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