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<div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/8Ms/3f43fa966636fc9e4ade3b6d3736c563a24c5b38" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/8Ms/3f43fa966636fc9e4ade3b6d3736c563a24c5b38" data-origin-width="480" data-origin-height="360"></div><p style="text-align: left;">이런거 시행착오법으로 구하는건가요??</p>
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첫댓글 저건 이차방정식이니까 근의 공식 써주면 되요.
감사합니다!!