Canonical URI: https://w3id.org/kmath/textbook_solution/jihak_solution_body_p129_example_03
| rdf:type | math:TextbookSolution |
|---|---|
| rdfs:label | 지학사 p129 예제 3 풀이 |
| rdfs:comment | 지학사 공통수학1 본문 p129의 예제 3 풀이. |
| math:answerText | \(\begin{pmatrix}-4&-1\\6&0\end{pmatrix}\) |
| math:explanationText | \(X+A=B\)의 양변에서 \(A\)를 빼면 \(X+A-A=B-A\), \(X+O=B-A\). 이므로 \(X=B-A=\begin{pmatrix}1&2\\0&8\end{pmatrix} -\begin{pmatrix}5&3\\-6&8\end{pmatrix} =\begin{pmatrix}-4&-1\\6&0\end{pmatrix}\). |
| math:mappingConfidence | 1.0 |
| math:pageStart | 129 |
| math:problem | textbook_problem:jihak_vision_p129_example_03 |
| math:reviewStatus | reviewed |
| math:solutionKind | worked_solution |
| math:usesSolutionPattern | solution_pattern:matrix_linear_combination_entries |