Math Problem Statement
Ejercicio 13: Hallar la longitud de la cuerda común a las circunferencias
Circunferencias:
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x2+y2=5
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x2+y2−5x=0
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Circles
Equations of Circles
Intersection of Circles
Formulas
Equation of a circle in standard form: (x - h)^2 + (y - k)^2 = r^2
Distance between two points formula: d = √((x2 - x1)^2 + (y2 - y1)^2)
Length of the common chord: L = 2√(R1^2 - ((d^2 + R1^2 - R2^2) / (2d))^2)
Theorems
Circle Intersection Theorem
Distance Formula
Pythagorean Theorem
Suitable Grade Level
Grades 10-12
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