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Diberikan fungsi $f(x,y)=\\begin{cases} \\frac{1}{\\sqrt{4-(x-\\var{a})^2-(y-\\var{b})^2}}, & x>0 \\\\ \\frac{1}{\\sqrt{4-(x+\\var{b})^2-(y+\\var{a})^2}}, & x\\leq 0 \\end{cases}$.

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Daerah asal dari fungsi tersebut berbentuk $\\ldots$.

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Diketahui $\\displaystyle \\lim\\limits_{(x,y)\\to (\\var{a},\\var{b})}\\dfrac{\\simplify{x*y-{a}*x-{b}*y+{a*b}}}{(x-\\var{a})^2+(y-\\var{b})^2}$ tidak ada.

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Tentukan lintasan yang membuat nilai limitnya tak nol.

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    \n
  1. $y=\\var{b}+(x-\\var{a})^{3/2}$
  2. \n
", "$y=\\simplify{x-{a+b}}$", "$y=\\var{b}+\\sqrt{x-\\var{a}}$", "$y=\\var{b}$", "$x=\\var{a}$"], "matrix": [0, "1", 0, 0, 0], "distractors": ["", "", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"}, {"name": "Mat 2A dan 2C - Bab 12 - No 3", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "Meong Meong Project", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4687/"}], "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "

Kemiringan garis singgung kurva yang merupakan hasil perpotongan dengan permukaan $z=\\dfrac{1}{\\var{a}x^2+y^2-9}$ dengan bidang $y=1$ pada titik $\\left(1,1,-\\dfrac{1}{\\var{8-a}}\\right)$ adalah $\\dfrac{\\var{2*a}}{a}$ dengan $a=\\ldots$.

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Misal $f$ fungsi terturunkan dalam $x$ dan $y$, serta $g(u,v)=f(2u-v,v^2-4u)$. Diketahui tabel nilai fungsi di titik $(0,0)$ dan $(1,2)$ adalah sebagai berikut.

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
$(a,b)$$f$$g$$f_x$$f_y$
$(0,0)$$\\var{f}$$\\var{g}$$\\var{h}$$\\var{k}$
$(1,2)$$\\var{a}$$\\var{b}$$\\var{c}$$\\var{d}$
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$g_u(1,2)+g_v(1,2)=\\ldots$.

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Suhu di titik $(x,y)$ dinyatakan oleh fungsi $T(x,y)=\\dfrac{k}{\\sqrt{4+x^2+y^2}}$ (dalam $^\\circ C$) dan $x$ serta $y$ dalam meter. Diketahui suhu di titik $(1,2)$ adalah $\\var{9*a}^\\circ C$.

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Tentukan $\\nabla T(1,2)$.

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Tentukan laju perubahan suhu di titik $(1,2)$ pada arah menuju titik $(2,2)$.

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Tentukan laju perubahan suhu di titik $(1,2)$ pada arah menuju titik $(1,3)$.

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Laju perubahan suhu di titik $(1,2)$ pada arah menuju titik $(2,3)$ adalah $\\dfrac{a}{\\sqrt{2}}$ dengan $a=\\ldots$.

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Seekor serangga bergerak sepanjang lintasan $x(t)=4+3\\cos(\\pi t)$ dan $y=3-\\sqrt{t}$. Tentukan laju perubahan suhu yang dirasakan oleh serangga tersebut sesaat setelah serangga melewati titik $(1,2)$.

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Waktunya 5 menit lagi ya.

"}}, "feedback": {"showactualmark": false, "showtotalmark": false, "showanswerstate": false, "allowrevealanswer": false, "advicethreshold": 0, "intro": "

Selamat datang!

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Silakan gunakan set soal ini dengan bijak. Kalian bisa mencoba set soal ini terus-menerus.

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Set soal ini dapat digunakan oleh siapapun secara gratis.

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Petunjuk pengerjaan soal:

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Jika ada kunci jawaban yang salah, kalian dapat memberitahu kami di Instagram @meongmeongproject atau OA Line @eog7710d.

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