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ÀÌÂ÷¹æÁ¤½ÄÀÇ ÆǺ°½Ä

ÀÌÂ÷¹æÁ¤½Ä ax©÷+ bx + c = 0 ÀÇ ±ÙÀÇ °ø½ÄÀº ´ÙÀ½°ú °°´Ù.

x = ( -b¡¾(b©÷-4ac)^(1/2) ) / ( 2a )

»ó±â½Ä¿¡¼­ (b©÷-4ac)¸¦ ÆǺ°½Ä(D)À̶ó Çϸç, ÆǺ°½ÄÀÇ °ª¿¡ µû¶ó ÀÌÂ÷¹æÁ¤½Ä°ú xÃà°úÀÇ °ü°è¸¦ ´ÙÀ½°ú °°ÀÌ ±¸ºÐÇÒ ¼ö ÀÖ´Ù.

D > 0 : xÃà°ú ¼­·Î´Ù¸¥ µÎÁ¡¿¡¼­ ¸¸³­´Ù.
D = 0 : xÃà°ú ÇÑÁ¡¿¡¼­ ¸¸³­´Ù(Áß±Ù).
D < 0 : xÃà°ú ¸¸³ªÁö ¾Ê´Â´Ù(Çã±Ù).

*** Âü°í¹®Çå[References] ***

D = b^2 - 4*a*c
ÀÛ¼ºÀÚÀÇ ¼ö½Ä±×¸²ÀÌ ¾ø½À´Ï´Ù. No picture for this formula
º¯¼ö¸í Variable º¯¼ö°ª Value º¯ ¼ö ¼³ ¸í Description of the variable


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