Ministerul Educaţiei, Cercetării şi Inovării 
Centrul Naţional pentru Curriculum şi Evaluare în Învăţământul Preuniversitar 
Rezolvare 
1. 8. 
2. ( )2 
= x + x − x x = − m ⇒ m = 
1 4 4 4 . 
1 2 1 2 
3 
4 
3. x = 0. 
4. 215 . 
5. a = −3. 
6. sin 2 a + sin 2 b = 2sin ( ab + )cos( ab − ) = π 2sin cos( ab − ) = 2cos( ab 
− 
). 
2 
BACALAUREAT 2009-MATEMATICĂ - Proba D, tipul subiectului MT1, programa M1

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  • 1. Ministerul Educaţiei, Cercetării şi Inovării Centrul Naţional pentru Curriculum şi Evaluare în Învăţământul Preuniversitar Rezolvare 1. 8. 2. ( )2 = x + x − x x = − m ⇒ m = 1 4 4 4 . 1 2 1 2 3 4 3. x = 0. 4. 215 . 5. a = −3. 6. sin 2 a + sin 2 b = 2sin ( ab + )cos( ab − ) = π 2sin cos( ab − ) = 2cos( ab − ). 2 BACALAUREAT 2009-MATEMATICĂ - Proba D, tipul subiectului MT1, programa M1