// Numbas version: exam_results_page_options
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($k$ er et konstant, $x$ er i radianer)</p>\n<p>$f(x)=\\tan(kx)$ gir $f'(x)=k\\dfrac{1}{\\cos^2(kx)}$ ($k$ er et konstant, $x$ er i radianer)</p>\n<p>$f(x)=e^{kx}$ gir $f'(x)=ke^{kx}$ ($k$ er et konstant)</p>\n<p>$f(x)=\\ln(kx)$ gir $f'(x)=\\frac{1}{x}$ ($k$ er et konstant)</p>", "rulesets": {}, "extensions": [], "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {"inp1": {"name": "inp1", "group": "Ungrouped variables", "definition": "expression(random('x','r','s','t','w'))", "description": "", "templateType": "anything", "can_override": false}, "out1": {"name": "out1", "group": "Ungrouped variables", "definition": "expression(random('f','h','g','p','q','y'))", "description": "", "templateType": "anything", "can_override": false}, "k1": {"name": "k1", "group": "Ungrouped variables", "definition": "random(-56..56 except 0 except -1 except 1)", "description": "", "templateType": "anything", "can_override": false}, "a": {"name": "a", "group": 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