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$A = \\var{a}$ and $B = \\var{b}$
\n{geogebra_applet('https://beta.geogebra.org/m/gEWtutTS',defs)}
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"}, "type": "question", "contributors": [{"name": "Christian Lawson-Perfect", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7/"}, {"name": "Ann Smith", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/2295/"}, {"name": "Leonardo Juliano", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/3600/"}]}]}], "contributors": [{"name": "Christian Lawson-Perfect", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7/"}, {"name": "Ann Smith", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/2295/"}, {"name": "Leonardo Juliano", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/3600/"}]}