See Lectures 0.3 and 0.4 and Workshop 0.5 for background.
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", "licence": "Creative Commons Attribution 4.0 International"}, "ungrouped_variables": [], "rulesets": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "type": "question", "contributors": [{"name": "Lovkush Agarwal", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/1358/"}]}]}], "contributors": [{"name": "Lovkush Agarwal", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/1358/"}]}