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Questions  >>  CBSE XI  >>  Math  >>  Conic Sections
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Q)

Which of the following are tangents to the circle $x^2+y^2-4x+8y+12=0$ from $(5-3)$?

$(1)\; x+y+2=0$

$(2)\; x+y-2= 0$

$(3)\; 7x-y+32= 0$

$(4)\; 7x+y-32=0$

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