CORRIG´ES DES EXERCICES - Pearson France

?u+?v(7+(?5). 0+3 ) = ?u+?v(2. 3) et ?u??v(7?(?5). 0?3 ) = ?u??v(12. ?3). 2. 3?w?2?u( 3×1?2×7. 3×(?3)?2×0) = 3?w?2?u(3?14. ?9?0) = 3?w?2?u(?11.