Canonical URI: https://w3id.org/kmath/textbook_solution/donga_solution_body_p014_01
| rdf:type | math:TextbookSolution |
|---|---|
| rdfs:label | 동아 p014 예제 1 풀이 |
| rdfs:comment | 동아 공통수학1 본문 p014의 예제 1 풀이. |
| math:answerText | (1) \(a^3+3a^2b+3ab^2+b^3\) (2) \(a^3+b^3\) |
| math:explanationText | (1) \[ (a+b)^3=(a+b)(a+b)^2 =(a+b)(a^2+2ab+b^2) \] \[ =a(a^2+2ab+b^2)+b(a^2+2ab+b^2) =a^3+3a^2b+3ab^2+b^3 \] (2) \[ (a+b)(a^2-ab+b^2)=a(a^2-ab+b^2)+b(a^2-ab+b^2)=a^3+b^3 \] |
| math:mappingConfidence | 1.0 |
| math:pageStart | 14 |
| math:problem | textbook_problem:donga_vision_p014_01 |
| math:reviewStatus | reviewed |
| math:solutionKind | worked_solution |
| math:usesSolutionPattern | solution_pattern:expand_with_formula |