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" 145."x-2y-4=0,2x+4y-12=0" an "(1)/(" c...

" 145."x-2y-4=0,2x+4y-12=0" an "(1)/(" cluifar ")

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Lengths of intercepts by circle x^(2) + y^(2) - 6x + 4y - 12 = 0 " on line " 4x - 3y + 2 = 0 is

Find the equation of the circle through the points of interrection of the circles x^(2)+y^(2)-4x-6y-12=0 and x^(2)+y^(2)+6x+4y-12=0 and cutting the circle x^(2)+y^(2)-2x-4=0 orthogonally.

Find the equation of the tangent to x^(2) + y^(2) - 6x + 4y - 12 = 0 " at " (-1,1)

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Prove that the centres of the circles x^2+y^2=1 , x^2+y^2+6x-2y-1=0 and x^2+y^2-12x+4y=1 are collinear

Prove that the centres of the circles x^2+y^2=1 , x^2+y^2+6x-2y-1=0 and x^2+y^2-12x+4y=1 are collinear

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Number of common tangents to the circles C_(1):x ^(2) + y ^(2) - 6x - 4y -12=0 and C _(2) : x ^(2) + y ^(2) + 6x + 4y+ 4=0 is