Question: Tangents are drawn to a unit circle centre at origin from every point on the line 2x + y = 4, then(i) Prove that chord

Tangents are drawn to a unit circle centre at origin from every point on the line 2x + y = 4, then(i) Prove that chord of contact passes through a fixed point.(ii) Find equation to the locus of the middle point of chord of contact.

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