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Each of the lines given by the equation ...

Each of the lines given by the equation `(x_(1)y-xy_(1))^(2)=a^(2)(x^(2)+y^(2))` is at a distance d from the point `(x_(1),y_(1))`.

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Knowledge Check

  • The lines given by the equation (y^(2)-4xy-x^(2))(x+y-1)=0 form a triangle which is

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    B
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    A
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    B
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    C
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