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Pernyataan yang benar terkait limit dua peubah adalah $\\ldots$.

", "advice": "", "rulesets": {}, "extensions": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "1_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "shuffleChoices": true, "displayType": "radiogroup", "displayColumns": 0, "showCellAnswerState": true, "choices": ["Karena $1-\\dfrac{x^2y^2}{3}<\\dfrac{\\tan^{-1}(xy)}{xy}<1$, maka $\\displaystyle \\lim\\limits_{(x,y)\\to (0,0)}\\dfrac{\\tan^{-1}(xy)}{xy}=1$.", "Karena $\\left| \\sin\\left( \\dfrac{1}{x} \\right) \\right|<1$, maka $\\displaystyle \\lim\\limits_{(x,y)\\to (0,0)}y\\sin\\left( \\dfrac{1}{x} \\right)=0$.", "$\\displaystyle\\lim\\limits_{x\\to 0}\\left(\\lim\\limits_{y\\to 0}f(x,y)\\right)=\\lim\\limits_{y\\to 0}\\left(\\lim\\limits_{x\\to 0}f(x,y)\\right)$.", "Jika $x=r\\cos(\\theta)$ dan $y=r\\sin(\\theta)$, maka $\\displaystyle \\lim\\limits_{(x,y)\\to (0,0)}f(x,y)=\\lim\\limits_{r\\to 0}f(r,\\theta)$."], "matrix": ["1", 0, 0, 0], "distractors": ["", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "contributors": [{"name": "Meong Meong Project", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4687/"}]}]}], "contributors": [{"name": "Meong Meong Project", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4687/"}]}