Concours ENOA Sénégal
Concours direct d'entrée à l'ENOA — École Nationale des Officiers d'Active (Senegal)
MathematicsEnglish
Exam overviewPractice session
A plane transformation has matrix [[3, 2], [1, 4]]. The area scale factor is the absolute value of its determinant. What area does the image of a unit square have?
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