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$z=f\left(x,y\right)$ 이고 $x=r^{2}+s^{2},y=2rs$ 일 때 $\dfrac {θ^{2}z} {θrθs}$ 를 구하라
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search-thumbnail-What she made in the kitchen was a cake. 73-14 ] 다음 어법상 어색한 문장을 고르시오 .
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search-thumbnail-a line ) \sqrt{I}_{-t} is possible ( to make a section) 6n a line6y marking two points \sqrt{and} ther
$\left(1n$ geometry) $thestndy$ $12$ $aq^{o}{\pi _{4}}^{aw}$ 가하학 $10flineS$ ) is very $\dfrac {\bar{--°} } {5}$ . $Al$ $-ine$ extends infinitely@n any direction addition) it 원히 $tion\right)\left(n$ $xcn$ 현다 $haS$ no width, $\sqrt{and} $ $b0$ $i$ $-thas$ $α+b^{x}=g$ accte 5 no start pointor $\bar{-=5} $ point. There $\dfrac {are} {-}$ also an infinite $nnmber\left(ofp0int\right)6n$ a line)$\sqrt{I} _{-t}$ is possible (to make a section)$6n$ a line6y marking two points $\sqrt{and} $ $ther$ 가능한 $\bar{\dfrac {5} {5}} $ $a$ 점 @ Sonnecting them) This $18ca1ledalineseg\right)$ 부분 A horizontal $lline$ $mOVeS\left(t$ to the left $\sqrt{and} $ 연결하다 There $aTe$ $diFeentkinds\left(flines\right)$ 다양한 right) $It$ never changes its height,$\sqrt{sd} $ it $does$ not hit the ground. A $rticv_{e-}$ $1line$ 10 moves up and down. $I$ $-t$ never $changeS$ $ngeS1t8$ $direCtiOn$ , $1βg$ it $doeS$ not move$\left(t0$ the left $\sqrt{0} $ Sometimes there are $tMa$ $line8$ $eS$ that go in the same direction) The distance $\left(betmeenthesetm0$ $lineS\right)n$ never $changeS,$ $1sd$ $thes6$ $lineS$ never touch one another. $T_{h-}$ $searekn$ $wn\left(as$ parallel line$e3$ .On the other hand$d\right)$ two lines 건드리다 known cross paths. 15 $|An$ may 교치하다 Anytime $tmOlineS$ $meet$ one 저로 another,they are called intersecting lines! If the $intersecti0n\left(Oft$ two $lineS\right)C$ creates a right anglethen these $aT6$ perpendicular lines. $Somelines$ move만들기내다 수식의 $1aTlin$ (in one direction$anC$ then $-$ $0$ ($by$ moving in another $direCtiOni\right)_{L-}that$ $e^{+s-}$ repeatedly change $direCti0n$ $aTeCalled$ zigzag lines. $Notal$ $linesaxest$ 한복적으로 straight. $\left(FOr$ example) $3carVedline$ looks like $aPaTt\left(0fa$ circle) $20$ 해석해주세요!
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