已知实数xy满足(x-1)^2+(y-2)^2=4 不等式2x+3y+m≥0恒成立 m取值范围

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已知实数xy满足(x-1)^2+(y-2)^2=4不等式2x+3y+m≥0恒成立m取值范围已知实数xy满足(x-1)^2+(y-2)^2=4不等式2x+3y+m≥0恒成立m取值范围已知实数xy满足(x

已知实数xy满足(x-1)^2+(y-2)^2=4 不等式2x+3y+m≥0恒成立 m取值范围
已知实数xy满足(x-1)^2+(y-2)^2=4 不等式2x+3y+m≥0恒成立 m取值范围

已知实数xy满足(x-1)^2+(y-2)^2=4 不等式2x+3y+m≥0恒成立 m取值范围
x=1 y=2 2x+3y+m≥0
=2+3·2+m≥0
=2+6+m≥0
=m≥-8

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