Canonical URI: https://w3id.org/kmath/textbook_solution/visang_solution_p159_workbook_p141_09
| rdf:type | math:TextbookSolution |
|---|---|
| rdfs:label | 비상 p141 수학 익힘책 IV-09 풀이 |
| rdfs:comment | 비상 공통수학1 정답 및 해설 p159의 수학 익힘책 p141 IV-09 풀이. |
| math:answerText | \(a=4, b=-\frac12\) |
| math:explanationText | \[ AB= \begin{pmatrix}a-4&-2b-1\\2a-8&-4b-2\end{pmatrix} = \begin{pmatrix}0&0\\0&0\end{pmatrix} \] 이므로 \[ a=4,\quad b=-\frac12 \] |
| math:mappingConfidence | 1.0 |
| math:pageStart | 159 |
| math:problem | textbook_problem:visang_workbook_p141_09 |
| math:reviewStatus | reviewed |
| math:solutionKind | worked_solution |
| math:usesSolutionPattern | solution_pattern:matrix_equality_component_equations |
| math:usesSolutionPattern | solution_pattern:matrix_product_row_column |