解不等式 log1/2(3x2-2x-5)≤log1/2(4x2 x-5)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/04 12:37:59
解不等式 log1/2(3x2-2x-5)≤log1/2(4x2 x-5)

解不等式 log1/2(3x2-2x-5)≤log1/2(4x2 x-5)
解不等式 log1/2(3x2-2x-5)≤log1/2(4x2 x-5)

解不等式 log1/2(3x2-2x-5)≤log1/2(4x2 x-5)
log1/2(3x2-2x-5)≤log1/2(4x2 +x-5)
∴3x2-2x-5>=4x2+x-5且3x2-2x-5>0,4x2+ x-5>0
解得-3