Canonical URI: https://w3id.org/kmath/textbook_solution/chunjae_jeon_solution_p153_p089_competency_obtuse_triangle
| rdf:type | math:TextbookSolution |
|---|---|
| rdfs:label | 천재전 p089 역량 키우기 풀이 |
| rdfs:comment | 천재전 공통수학1 정답과 해설 p153의 p089 역량 키우기 풀이. |
| math:answerText | \(2<x<8\) |
| math:explanationText | 1단계 \(2x+1<2x-1+x\). 2단계 \((2x+1)^2>(2x-1)^2+x^2\). 3단계 \(2<x<8\). |
| math:mappingConfidence | 1.0 |
| math:pageStart | 153 |
| math:problem | textbook_problem:chunjae_jeon_vision_p089_competency_obtuse_triangle |
| math:reviewStatus | reviewed |
| math:solutionKind | worked_solution |
| math:usesSolutionPattern | solution_pattern:simultaneous_quadratic_inequality_intersection |