Calcul littéral

6 flashcards · Mathematics · by Mathématiques Demassieux

1. k×(a+b)k \times (a+b)k×(a+b)

   k×a+k×bk\times a+k\times bk×a+k×b

2. k×(a−b)k \times (a-b)k×(a−b)

   k×a−k×bk \times a - k \times bk×a−k×b

3. (a+b)×(c+d)(a+b) \times (c+d)(a+b)×(c+d)

   a×c+a×d+b×c+b×da \times c + a \times d + b \times c + b \times da×c+a×d+b×c+b×d

4. (a+b)²(a+b)²(a+b)²

   a²+2ab+b²a²+2ab+b²a²+2ab+b²

5. (a−b)²(a-b)²(a−b)²

   a²−2ab+b²a²-2ab+b²a²−2ab+b²

6. (a−b)×(a+b)(a-b) \times (a+b)(a−b)×(a+b)

   a²−b²a²-b²a²−b²