Canonical URI: https://w3id.org/kmath/textbook_solution/donga_solution_body_p135_example_01
| rdf:type | math:TextbookSolution |
|---|---|
| rdfs:label | 동아 p135 예제 1 풀이 |
| rdfs:comment | 동아 공통수학1 본문 p135의 예제 1 풀이. |
| math:answerText | (1) \((8)\) (2) \(\begin{pmatrix}-4&-6\\5&5\end{pmatrix}\) |
| math:explanationText | (1) \(\begin{pmatrix}1&2\end{pmatrix}\begin{pmatrix}2\\3\end{pmatrix}=(1\times2+2\times3)=(8)\) (2) \[ \begin{pmatrix}0&-2\\1&2\end{pmatrix} \begin{pmatrix}1&-1\\2&3\end{pmatrix} = \begin{pmatrix} 0\times1+(-2)\times2 & 0\times(-1)+(-2)\times3\\ 1\times1+2\times2 & 1\times(-1)+2\times3 \end{pmatrix} = \begin{pmatrix}-4&-6\\5&5\end{pmatrix} \] |
| math:mappingConfidence | 1.0 |
| math:pageStart | 135 |
| math:problem | textbook_problem:donga_vision_p135_example_01 |
| math:reviewStatus | reviewed |
| math:solutionKind | worked_solution |
| math:usesSolutionPattern | solution_pattern:matrix_product_row_column |