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Mathematics, 06.08.2021 07:20 ashleychantal99

Find the equation of the lines passing through the origin and perpendicular to the lines represented by x²-2xy + y² +5x-2y+1=0. When the general equation of second degree becomes circle? Use it to change the equation x²-5xy + y² +5x-2y+1=0 into the circle. Also find the length of tangent to the circle from the point (3,-3).

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