Question

A and B are the end points of a diameter of a circle having its centre at (1,2).If the co-ordinates of A are (-3,5),find the co-ordinates of the point B

Answer 1

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Answer 2

let O(1,2) be the centre n B( x,y) be the point.
given A(-3,5)
here OA = OB So, OA sq.= OB sq.
now use distance formula...then youbwill get the ans.it is not possible to calculate all things here because some options like square is not given in keypad.