Teaching HTET PGT Level 3 - 2024 Mock Test Mathematics Circles

The equation of a circle whose end points of a diameter are (x₁, y₁) and (x₂, y₂) is

1

(x – x₁) (x – x₂) +(y – y₁) (y – y₂) = x² + y²

2

(x – x₁)² + (y – y₁)² = x²y²

3

x² + y² + 2x₁x₂ + 2y₁y₂ = 0

4

(x – x₁) (x –x₂) + (y – y₁) (y – y₂) = 0

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