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File:Straal-cirkel.svg - Wiktionary
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SOLVED: A sphere of radius a is centered at a point 𝐫1. (a) Write out the algebraic equation for the sphere. (b) Write out a vector equation for the sphere. ANS. (a) (
Cirkel ring
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The equation� 2x^2+4x+2y^2-16y=0 represents a circle. Find its center and radius. (Hint: you will need to complete the square for each variable!) | Homework.Study.com
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.min.svg "Cirklens centrum, radius, diameter og periferi")
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