作业帮若非零实数a,b满足a^2=ab-1/4b^2若非零实数a,b满足a^2=ab-(1/4)b^2 则b/a=
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若非零实数a,b满足a^2=ab-1/4b^2若非零实数a,b满足a^2=ab-(1/4)b^2 则b/a=
若非零实数a,b满足a^2=ab-1/4b^2
若非零实数a,b满足a^2=ab-(1/4)b^2
则b/a=
若非零实数a,b满足a^2=ab-1/4b^2若非零实数a,b满足a^2=ab-(1/4)b^2 则b/a=
a^2=ab-(1/4)b^2
因为a非零,所以同时除以a^2
得1=b/a-1/4*(b/a)^2
解得b/a=2