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Showing content from https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Math/sqrt below:

Math.sqrt() - JavaScript | MDN

Math.sqrt()

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Math.sqrt() í¨ìë ì«ìì ì ê³±ê·¼ì ë°íí©ëë¤.

â x â¥ 0 , M a t h . s q r t ( x ) = x = the unique y â¥ 0 such that y2 = x \forall x \geq 0, \mathtt{Math.sqrt(x)} = \sqrt{x} = \text{the unique} ; y \geq 0 ; \text{such that} ; y^2 = x ë¬¸ë² ë§¤ê°ë³ì ë°í ê°

ì£¼ì´ì§ ì«ìì ë£¨í¸(â )ë¥¼ ììëë¤. ë§ì½ ì«ìê° ììì´ë©´ NaNë¥¼ ë°íí©ëë¤.

ì¤ëª

ë§ì½ x ê° ììë¼ë©´ Math.sqrt() í¨ìë NaNë¥¼ ë°íí©ëë¤.

sqrt()ë Mathì ì ì ë©ìë ì´ë¯ë¡ ë§ë Math ê°ì²´ì ë©ìëê° ìëë¼ íì Math.sqrt()í¨ìë¥¼ ì¬ì©í´ì¼í©ëë¤. (Mathë ìì±ìê° ììµëë¤.)

ìì Math.sqrt()

Math.sqrt(9); // 3
Math.sqrt(2); // 1.414213562373095

Math.sqrt(1); // 1
Math.sqrt(0); // 0
Math.sqrt(-1); // NaN

ëªì¸ì ë¸ë¼ì°ì í¸íì± ì°¸ì¡°

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