Réponses

2014-01-15T01:58:04+01:00
( t + 3 )² = t² + 6t + 9
( 1/2 - 4 )² = 1/4 - 4x + 16
2014-01-15T04:35:13+01:00
(t+3)au carre =t au carre +6t+9          (1/2-4)au carre =1/4-4x+16