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Column 1Column 2a. If ax+by−5=0 is the equation of the chord of the circle p. 6(x−3)2+(y−4)2=4,which passes through (2,3) and at the greatest distance from the centre, then |a+b| is equal tob. Let O be the origin and P be a variable point on the circle q. 3x2+y2+2x+2y=0. If the locus of midpoint of OP is x2+y2+2gx+2fy+c=0,then(g+f)is equal to c. The x–coordinate of the centre of the smallest circle which r. 2 cuts the circles x2+y2−2x−4y−4=0 and x2+y2−10x+12y+52=0 orthogonally is d. If θ be the angle between two tangents which are drawn s. 1 to the circlesx2+y2−6√3x−6y+27=0 from the origin, then 2√3tanθ equals to Which of the following is correct? |
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Answer» Column 1Column 2a. If ax+by−5=0 is the equation of the chord of the circle p. 6(x−3)2+(y−4)2=4,which passes through (2,3) and at the greatest distance from the centre, then |a+b| is equal tob. Let O be the origin and P be a variable point on the circle q. 3x2+y2+2x+2y=0. If the locus of midpoint of OP is x2+y2+2gx+2fy+c=0,then(g+f)is equal to c. The x–coordinate of the centre of the smallest circle which r. 2 cuts the circles x2+y2−2x−4y−4=0 and x2+y2−10x+12y+52=0 orthogonally is d. If θ be the angle between two tangents which are drawn s. 1 to the circlesx2+y2−6√3x−6y+27=0 from the origin, then 2√3tanθ equals to Which of the following is correct? |
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