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Ministerul Educaţiei, Cercetării şi Tineretului
Centrul Naţional pentru Curriculum şi Evaluare în Învăţământul Preuniversitar
BACALAUREAT 2008-MATEMATICĂ - Proba D, tipul subiectului MT1, programa M1
Soluţii
1. { }2z i∈ ±
2. ( ) , 0f x ax b a= + ≠ ; ( )( ) 2
f f x a x ab b= + + ; ( )2 1 2 2 1f x ax b+ = + + ; ( ) 2 1f x x= +
3.1
1 10
lg lg
9
x
x
+
= ; 9x =
4. 10 3
1 10 3 3
k
k k
kT C −
+ = ⋅ ⋅ ; { }3 0,3,6,9k k⇒ ∈
5. ( )( )2 2 20 8 3 0a a− − − ⋅ = ; { }6 2 7 .a∈ ±
6. 2u v⋅ = − ; ( ) 2
cos ,
41 13
u v
−
=
⋅

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  • 1. Ministerul Educaţiei, Cercetării şi Tineretului Centrul Naţional pentru Curriculum şi Evaluare în Învăţământul Preuniversitar BACALAUREAT 2008-MATEMATICĂ - Proba D, tipul subiectului MT1, programa M1 Soluţii 1. { }2z i∈ ± 2. ( ) , 0f x ax b a= + ≠ ; ( )( ) 2 f f x a x ab b= + + ; ( )2 1 2 2 1f x ax b+ = + + ; ( ) 2 1f x x= + 3.1 1 10 lg lg 9 x x + = ; 9x = 4. 10 3 1 10 3 3 k k k kT C − + = ⋅ ⋅ ; { }3 0,3,6,9k k⇒ ∈ 5. ( )( )2 2 20 8 3 0a a− − − ⋅ = ; { }6 2 7 .a∈ ± 6. 2u v⋅ = − ; ( ) 2 cos , 41 13 u v − = ⋅