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Æ÷¹°¼±(Parabola)ÀÇ ÃÊÁ¡°ú Áؼ±, y^2 = ax

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Æ÷¹°¼±Àº Áؼ±°ú ÃÊÁ¡°úÀÇ °Å¸®°¡ °°Àº Á¡ÀÇ ÁýÇÕ ¶Ç´Â ÀÚÃëÀÌ´Ù.

±âº»ÇüÅ´ y^2 = 4px ¶Ç´Â x^2 = 4py ÀÌ´Ù.

¿©±â¼­ p´Â ÃÊÁ¡ÀÇ x ÁÂÇ¥ ¶Ç´Â y ÁÂÇ¥°¡ µÇ¸ç, Áؼ± ¶ÇÇÑ °¢°¢ y = -p, x = -p °¡ µÈ´Ù.

ÁÖ¾îÁø ½ÄÀÌ y^2 = ax ÀÎ °æ¿ì¿¡´Â, y^2 = 4px ÇüÅ·Πº¯°æÇÒ ¼ö ÀÖÀ¸¸ç, À̶§ p = a/4 °¡ µÈ´Ù.

µû¶ó¼­ Áؼ±ÀÇ ¹æÁ¤½ÄÀº y = -a/4, ÃÊÁ¡ÀÇ ÁÂÇ¥´Â ( a/4, 0 )ÀÌ µÈ´Ù

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p = a/4
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