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[" ILLUSTRATION "4" The line "2x+y=1" is...

[" ILLUSTRATION "4" The line "2x+y=1" is tangent to the hyperbola "],[(x^(2))/(a^(2))-(y^(2))/(b^(2))=1." If this line passes through the point of intersection of the "],[" nearest directrix and the "x" -axis,then the eccentricity of the hyperbola "],[" is "]

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