| De paramètriques a contínua i viceversa |
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Per passar de paramètriques a contínua, s'identifica el punt (xA,yA) i el vector (xV,yV) i s'escriu la contínua
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Per passar de contínua a paramètriques, s'identifica el punt (xA,yA) i el vector (xV,yV) i s'escriuen les paramètriques
«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mfrac mathcolor=¨#00007F¨»«mrow»«mi mathvariant=¨bold¨»x«/mi»«mo mathvariant=¨bold¨»-«/mo»«msub mathcolor=¨#0000FF¨»«mi mathvariant=¨bold¨ mathcolor=¨#0000FF¨»x«/mi»«mi mathvariant=¨bold¨»A«/mi»«/msub»«/mrow»«msub mathcolor=¨#FF0000¨»«mi mathvariant=¨bold¨ mathcolor=¨#FF0000¨»x«/mi»«mi mathvariant=¨bold¨»V«/mi»«/msub»«/mfrac»«mo mathvariant=¨bold¨ mathcolor=¨#00007F¨»=«/mo»«mfrac mathcolor=¨#00007F¨»«mrow»«mi mathvariant=¨bold¨»y«/mi»«mo mathvariant=¨bold¨»-«/mo»«msub mathcolor=¨#0000FF¨»«mi mathvariant=¨bold¨ mathcolor=¨#0000FF¨»y«/mi»«mi mathvariant=¨bold¨»A«/mi»«/msub»«/mrow»«msub mathcolor=¨#FF0000¨»«mi mathvariant=¨bold¨ mathcolor=¨#FF0000¨»y«/mi»«mi mathvariant=¨bold¨»V«/mi»«/msub»«/mfrac»«mo mathvariant=¨bold¨ mathcolor=¨#00007F¨»§#8658;«/mo»«mfenced mathcolor=¨#00007F¨ open=¨{¨ close=¨¨»«mtable columnalign=¨left¨»«mtr»«mtd»«mi mathcolor=¨#0000FF¨ mathvariant=¨bold¨»Punt«/mi»«mfenced mathcolor=¨#0000FF¨»«mrow»«msub»«mi mathvariant=¨bold¨»x«/mi»«mi mathvariant=¨bold¨»A«/mi»«/msub»«mo mathvariant=¨bold¨»,«/mo»«msub»«mi mathvariant=¨bold¨»y«/mi»«mi mathvariant=¨bold¨»A«/mi»«/msub»«/mrow»«/mfenced»«/mtd»«/mtr»«mtr»«mtd»«mi mathcolor=¨#FF0000¨ mathvariant=¨bold¨»Vector«/mi»«mfenced mathcolor=¨#FF0000¨»«mrow»«msub»«mi mathvariant=¨bold¨»x«/mi»«mi mathvariant=¨bold¨»v«/mi»«/msub»«mo mathvariant=¨bold¨»,«/mo»«msub»«mi mathvariant=¨bold¨»y«/mi»«mi mathvariant=¨bold¨»v«/mi»«/msub»«/mrow»«/mfenced»«/mtd»«/mtr»«/mtable»«/mfenced»«mo mathvariant=¨bold¨ mathcolor=¨#00007F¨»§#8658;«/mo»«mi mathvariant=¨bold-italic¨ mathcolor=¨#00007F¨»P«/mi»«mi mathvariant=¨bold-italic¨ mathcolor=¨#00007F¨»a«/mi»«mi mathvariant=¨bold-italic¨ mathcolor=¨#00007F¨»r«/mi»«mi mathvariant=¨bold-italic¨ mathcolor=¨#00007F¨»a«/mi»«mi mathvariant=¨bold-italic¨ mathcolor=¨#00007F¨»m«/mi»«mi mathvariant=¨bold-italic¨ mathcolor=¨#00007F¨»§#232;«/mi»«mi mathvariant=¨bold-italic¨ mathcolor=¨#00007F¨»t«/mi»«mi mathvariant=¨bold-italic¨ mathcolor=¨#00007F¨»r«/mi»«mi mathvariant=¨bold-italic¨ mathcolor=¨#00007F¨»i«/mi»«mi mathvariant=¨bold-italic¨ mathcolor=¨#00007F¨»q«/mi»«mi mathvariant=¨bold-italic¨ mathcolor=¨#00007F¨»u«/mi»«mi mathvariant=¨bold-italic¨ mathcolor=¨#00007F¨»e«/mi»«mi mathvariant=¨bold-italic¨ mathcolor=¨#00007F¨»s«/mi»«mfenced mathcolor=¨#00007F¨ open=¨{¨ close=¨¨»«mtable»«mtr»«mtd»«mi mathvariant=¨bold¨»x«/mi»«mo mathvariant=¨bold¨»=«/mo»«msub mathcolor=¨#0000FF¨»«mi mathcolor=¨#0000FF¨ mathvariant=¨bold¨»x«/mi»«mi mathvariant=¨bold¨»A«/mi»«/msub»«mo mathvariant=¨bold¨»+«/mo»«msub mathcolor=¨#FF0000¨»«mi mathcolor=¨#FF0000¨ mathvariant=¨bold¨»x«/mi»«mi mathvariant=¨bold¨»V«/mi»«/msub»«mo mathvariant=¨bold¨»§#183;«/mo»«mi mathvariant=¨bold¨»k«/mi»«/mtd»«/mtr»«mtr»«mtd»«mi mathvariant=¨bold¨»y«/mi»«mo mathvariant=¨bold¨»=«/mo»«msub mathcolor=¨#0000FF¨»«mi mathcolor=¨#0000FF¨ mathvariant=¨bold¨»y«/mi»«mi mathvariant=¨bold¨»A«/mi»«/msub»«mo mathvariant=¨bold¨»+«/mo»«msub mathcolor=¨#FF0000¨»«mi mathcolor=¨#FF0000¨ mathvariant=¨bold¨»y«/mi»«mi mathvariant=¨bold¨»V«/mi»«/msub»«mo mathvariant=¨bold¨»§#183;«/mo»«mi mathvariant=¨bold¨»k«/mi»«/mtd»«/mtr»«/mtable»«/mfenced»«mspace linebreak=¨newline¨/»«mfrac mathcolor=¨#191919¨»«mrow»«mi mathvariant=¨bold¨»x«/mi»«mo mathvariant=¨bold¨»-«/mo»«mn mathvariant=¨bold¨»2«/mn»«/mrow»«mrow»«mo mathvariant=¨bold¨»-«/mo»«mn mathvariant=¨bold¨»3«/mn»«/mrow»«/mfrac»«mo mathvariant=¨bold¨ mathcolor=¨#191919¨»=«/mo»«mfrac mathcolor=¨#191919¨»«mrow»«mi mathvariant=¨bold¨»y«/mi»«mo mathvariant=¨bold¨»+«/mo»«mn mathvariant=¨bold¨»5«/mn»«/mrow»«mn mathvariant=¨bold¨»9«/mn»«/mfrac»«mo»§#8658;«/mo»«mtable mathcolor=¨#191919¨ columnalign=¨left¨»«mtr»«mtd»«mi mathvariant=¨bold¨»Punt«/mi»«mfenced»«mrow»«mn mathvariant=¨bold¨»2«/mn»«mo mathvariant=¨bold¨»,«/mo»«mo mathvariant=¨bold¨»-«/mo»«mn mathvariant=¨bold¨»5«/mn»«/mrow»«/mfenced»«/mtd»«/mtr»«mtr»«mtd»«mi mathvariant=¨bold¨»Vector«/mi»«mfenced»«mrow»«mo mathvariant=¨bold¨»-«/mo»«mn mathvariant=¨bold¨»3«/mn»«mo mathvariant=¨bold¨»,«/mo»«mn mathvariant=¨bold¨»9«/mn»«/mrow»«/mfenced»«/mtd»«/mtr»«/mtable»«mo»§#8658;«/mo»«mi»P«/mi»«mi»a«/mi»«mi»r«/mi»«mi»a«/mi»«mi»m«/mi»«mi»§#232;«/mi»«mi»t«/mi»«mi»r«/mi»«mi»i«/mi»«mi»q«/mi»«mi»u«/mi»«mi»e«/mi»«mi»s«/mi»«mfenced mathcolor=¨#191919¨ open=¨{¨ close=¨¨»«mrow»«mtable»«mtr»«mtd»«mi mathvariant=¨bold¨»x«/mi»«mo mathvariant=¨bold¨»=«/mo»«mn mathvariant=¨bold¨»2«/mn»«mo mathvariant=¨bold¨»-«/mo»«mn mathvariant=¨bold¨»3«/mn»«mi mathvariant=¨bold¨»k«/mi»«/mtd»«/mtr»«mtr»«mtd»«mi mathvariant=¨bold¨»y«/mi»«mo mathvariant=¨bold¨»=«/mo»«mo mathvariant=¨bold¨»-«/mo»«mn mathvariant=¨bold¨»5«/mn»«mo mathvariant=¨bold¨»+«/mo»«mn mathvariant=¨bold¨»9«/mn»«/mtd»«/mtr»«/mtable»«mo»§#160;«/mo»«mo»§#160;«/mo»«mo»§#160;«/mo»«mo»§#160;«/mo»«mo»§#160;«/mo»«mo»§#160;«/mo»«mo»§#160;«/mo»«mo»§#160;«/mo»«mo»§#160;«/mo»«/mrow»«/mfenced»«/mstyle»«/math»
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