Canonical URI: https://w3id.org/kmath/textbook_problem/ybm_vision_p133_03
| rdf:type | math:TextbookProblem |
|---|---|
| rdfs:label | YBM p133 문항 03 |
| rdfs:comment | YBM 공통수학1 교과서 p133에서 이미지 판독으로 추출한 문항. |
| math:achievementStandard | achievement_standard:cm1_10_04_01 |
| math:achievementStandard | achievement_standard:cm1_10_04_02 |
| math:bodyText | 두 행렬 \(A=\begin{pmatrix}a&b\\3&-1\end{pmatrix}\), \(B=\begin{pmatrix}0&1\\1&0\end{pmatrix}\)에 대하여 \(AB=BA\)일 때, \(a-b\)의 값을 구하시오. |
| math:extractionConfidence | 0.9 |
| math:hasSolution | textbook_solution:ybm_solution_p149_p133_03 |
| math:pageStart | 133 |
| math:problemKind | unit_review |
| math:problemNumber | 스스로 마무리하기 15 |
| math:problemType | problem_type:matrix_multiplication |
| math:reviewStatus | needs_review |
| math:sourceSection | textbook_section:ybm_matrix_operations |
| math:targets | concept:matrix |
| math:targets | concept:matrix_equality |
| math:targets | concept:matrix_multiplication |
| math:textbook | textbook_source:ybm_common_math_1 |