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EXERCCIOS1 Semestre 2010

Disciplina: LGEBRA LINEAR Curso: ENGENHARIASProfessor: Osvaldo Amaro dos Santos

Titulao: EspecialistaPrimeira Lista de Exerccios - RevisoPOTENCIAO

EXERCCIOS:

1. Classificar em verdadeira ou falsa cada uma das sentenas abaixo:1( ) 2( ) 3( ) 4( )

5( ) 6( ) 7( ) 8( )

9( ) 10( ) 11( ) 12( )

2. Se n(IN, calcular o valor de A=(-1)2n-(-1)2n+3+(-1)3n-(-1)n.3. Simplifique as expresses: a) b) c) d)

4. Se , ento calcule o valor de .

5. Resolver as equaes:

a) b) c) d) e) f) g) h)

6. Calcule o valor de: sabendo que .

7. Calcule: a) 9342872 9342862 b) 251- 250 - 249 RADICIAO

EXERCCIOS:

1. Simplificar: a)

b)

c)

d)

2. Calcule: a) b) c)

3. Racionalize o denominador: a) b) c) d)

4. Qual a ordem crescente dos nmeros: a) b)

5. Calcular: a) b) c)

d) e) f)

6. Determine o valor de x.

a) b) c)

d) e) f) g) 7. Simplifique:

a) sendo x>7. b) sendo x>0

8. Sabendo que racionalize o denominador: .

9. Determine em IR, o valor de x, nas sentenas abertas:

a) b) c)

FATORAOEXERCCIOS:1. Simplifique, supondo verificadas as condies de existncia:

a) b) c)

d)

e)

f) g) h)

i)

j) k)

l)

2. Sendo x = 87 e y = 19, calcule o valor numrico de E em cada caso:

a) b)

3. Fatore as seguintes expresses em IR.a) b)

c)

d)

e)

f)

g)

h)

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