A tangent from an external point A(7, 5) meets a circle centre O whose equation is

A tangent from an external point A(7, 5) meets a circle centre O whose equation is x² + 4x + y² – 5 = 0 at point T, find the length of the tangent AT

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Wilfykil answered the question on August 8, 2019 at 06:27

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