1.

Find the coordinates of the centre and radius of each of the following circles : (i) x2+y2+6x−8y−24=0 (ii) 2x2+2y2−3x+5y=7 (iii) 12(x2+y2)+x cosθ+ysinθ−4=0. (iv) x2+y2−ax−by=0

Answer»

Find the coordinates of the centre and radius of each of the following circles :

(i) x2+y2+6x8y24=0
(ii) 2x2+2y23x+5y=7
(iii) 12(x2+y2)+x cosθ+ysinθ4=0.
(iv) x2+y2axby=0



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