미래엔 p053 함께하기 풀이

Canonical URI: https://w3id.org/kmath/textbook_solution/mirae_solution_p144_p053_01

rdf:typemath:TextbookSolution
rdfs:label미래엔 p053 함께하기 풀이
rdfs:comment미래엔 공통수학1 정답 및 풀이 p144의 p053 함께하기 풀이.
math:answerText\(x^2-6x+9=0\): \(D=0\), \(3\) (중근). \(x^2-2x+3=0\): \(D=-8<0\), \(1-\sqrt{2}i,\ 1+\sqrt{2}i\).
math:explanationText\[ (-6)^2-4\times1\times9=0,\quad 3\text{ (중근)} \] \[ (-2)^2-4\times1\times3=-8<0,\quad 1-\sqrt{2}i,\ 1+\sqrt{2}i \]
math:mappingConfidence1.0
math:pageStart144
math:problemtextbook_problem:mirae_vision_p053_01
math:reviewStatusreviewed
math:solutionKindworked_solution
math:usesSolutionPatternsolution_pattern:discriminant_case_analysis
math:usesSolutionPatternsolution_pattern:quadratic_formula