EQUAÇÕES EXPONENCIAIS - Questões Resolvidas
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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/