Question

Find the coordinates of a pont A, where AB is the diameter of a circle whose centre is (2, –3) and B is the point (1, 4).

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Answer 1

Step-by-step explanation:

$by \: using \: section \: formula \: or \: mid \: term \: formula \\ i.e. \\ (x1 \: + \: x2 \div 2) \: (y1 \: + \: y2 \: \div \: 2) \\ here \\ (x + 1) \div 2 \: = \: 2 \\ x \: = \: 3 \\ (y \: + 4) \div 2 \: = - 3 \\ y \: = \: - 10$

so the coordinates are (3,-10)