EQUAÇÕES EXPONENCIAIS - Questões Resolvidas

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Exercícios Resolvidos EQUAÇÕES EXPONENCIAIS

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EQUAES EXPONENCIAISExerccios Resolvidos

) 2+1 = 23 + 1 = 3 = 2 ) 52 +2

= 53 2 + 2 = 3 2 + 2 3 = 0 = 3 = 1

) 342 = 32

2

342 = 34 4 2 = 4

4 2 4 = 6 = = 6 3

) 22

= 23 = 23 3 2 = 3 = 2

22

) 23

+1

= 25 2 3

23+3 = 25 3 + 3 = 53 = 2

=

) 3

2 +

= 32 2 + = 2 2 + 2 = 0 = 2 = 1

) 3 = 34 = 4 ) 23 = 24 3 = 4 = 7 ) 4 = 43 = 3 ) 2+1 = 20 + 1 = 0 = 1 ) 23+1

= 27

3

23+3 = 2721 3 + 3 = 7 21 21 + 3 = 7 3 4 = 24 = 6 ) 25+2 = 250 + 2 = 0 = 2

) 41

2

= 42

4+2 = 42 + 2 = 2 2

) 34

= 33

8

2 2 = 3 = 3

34

2 4

= 324 4 2 4 = 24 4 2 4 24 = 0 2 6 = 0 = 2 = 3

) 10 = 104 2 = 4 = 4 = 2) 2 = 25 = 5 ) 32

2

= 31

32 = 31 2 = 1 = ) 5 = 54 = 4

1 2

)

2

511 2

= 53 = 533

5

522

= 3 = 6 =5 23

) 6 = 62 62

= 66 2

) 25

+3

=

3

= 6 = 12 2

213

25+15 = 2

1

) 5 = 5

512

1 5 + 15 = 3

=5

1

= 71

1 2

15 + 45 = 115 = 44 = 44 15

) 72 72

=

2

=7

1

2

2 =

1 1 = 4 2

)

4

. 41

4 1 = 60 4

4 4 . 4 = 60 4 4 = 4 = 60 4 16 = 60 4 15 = 60 44

4 = 16 4 = 42 = 2

=

60 4 151

= 16

5 5 ) 1 + 2 = 6 5 55 5 + =6 5 25 5 =

5 = 25

+ =6 5 255 + = 6 25

5 = 52 = 2

6 = 6 251 1

= 25

) 3 . 31 + 3 = 36 3 . 3 + 3 = 36 3 = 3 + = 36 4 = 36 = 9

3 = 9 3 = 32 = 2

7 ) 7 . 71 49 . 2 = 42 7 7 7 . 7 49 . = 42 49 7 = 7 = 42 6 = 42 = 7

7 = 7 7 = 71 = 1

) 3 . 31 + 3 . 32 = 12 3 = 3 + 9 = 12 12 = 12 = 1

3 = 1 3 = 30 = 0

) 222

2

6. 2 + 8 = 0 6. 2 + 8 = 0 2 =

) 525

2

2. 5 + 1 = 0 2. 5 + 1 = 0 5 =

2 6 + 8 = 0 = 2 = 4

2 2 + 1 = 0

= 1 = 1 5 = 1 = 0

= 2 2 = 2 = 1 = 4 2 = 4 = 2

: = 0

: = 1 = 2

)

32 3 2

3 + 3 . 1 = 12 3

) 222

2

3. 2 + 2 = 0 3. 2 + 2 = 0 2 =

3 + 3 . 12 = 0 33 =

2 3 + 2 = 0 = 1 = 2

2 + 12 = 0 = 4 = 3 = 4 3 = 4

= 1 2 = 1 = 0 = 2 2 = 2 = 1

= 3 3 = 3 = 1 : = 1

: = 0 = 1

3

2 3

= 32 2 3 = 2 2 3 + 2 = 0 = 1 = 2

2 2 . 21 + 8 = 02 = 2 = 8 = 8 = 8 2 = 8 2 = 23 = 3

2

2+1+1 2 2

25 = 100 =

1

4

1 1 = 2 = 22 4 2= 22 + 1 = 2 2 + 1 = 4 = 5

+1 2 2

2 . 22

+1

. 23

+2

= 24

+3

2 . 22+2 . 23+6 = 24+12 2+2+2+3+6 = 24+12 26+8 = 24+12 6 + 8 = 4 + 12 2 = 4 = 2

2+3 . 16 =1

2

641

2+3 . 16 = 8

2+3 =

8 16

2

1 = 21 = 2

2+3 = 21 + 3 = 1 = 4

22

= 25

22 = 25 2 = 5 = 2,5

45 2

= 25

45 = 5 = 9

72

2

= 71 4 2 = 1 4 + 1 = 2

742 = 71

2 = 5 = 2,5

ISERJ 2012Professora Telma Castro SilvaFonte: http://blog.educacional.com.br/mjustina/