alexmodersks7413 alexmodersks7413
  • 23-01-2024
  • Mathematics
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Circle C₁ passes through the origin O and has a diameter of 4 on the positive x-axis. The line y = 2x gives a chord Oₐ of the circle C₁.
A) The radius of C₁ is 2.
B) The equation of C₁ is x² + y² = 4.
C) The coordinates of point A are (1, 2).
D) The length of chord Oₐ is 4.

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