7/26/2019 ECUACIONS EXPONEN

1/1

ECUACIONES EXPONENCIALES

Determina el valor de x en las siguientes ecuaciones exponenciales:

1. ax- a7= 02. a2x= a83. ax+3- a8= 04. ax-= a. !7-x= !3". !3-x= !"7. 3x= 18. 2x-1= 1#. 43-x= 410. p-x= p11. $x+1= $12. m8x-= mx+713. cx% cx-3= c#14. m3x= m18

1. ax-3= a14+x% a8x+71". !x-1% !x+1= !817. &m'x= m118. &ax-1'x-7= &ax+1'x+31#. &ax+1'= &a7x-1'7% &ax-"'#20. 4x= "421. x= 1222. #x= 8123. 3-x= #24. "-x= 12. "x= 1(3"2". x= 1(1227. 2x+1= 0)228.

2x-3

= 1(82#. 8)

4

1( x =

30. 3437

1 x

=

31. 324

1 x

=

32. 3264x

1

=

33. 816x

2

=34.

216x2

=

3. 927x

2

=

3".

x85x

8

1x

=

37. 5x3 3x5 aa + =38. 5x24 5x13 aa + =3#. 6 7x3 5x3 aa =+

40.

4 5x3 3x2

bb ++

=41. 6 436 3x74 5x a:aa =

42. 3xx2x2

23

8

4

3 =

43. x13x2

33

1

=

44. &2x-3'": &122-3x'2= "2

4. 8

12

4

1 4x1x3

=

+

4". 813 5x2

=

47. &2x'x= 1"48. ( )

27

13

4xx =

4#. &x'x-2= 2x

0. 324 x =

1. 16

12

3 x=

2. 102x-1* 10x= 03. 0366 2x32x3 = 4. &0)2'x+1= &0)12'x-1

Respuestas:

1. 72. 43. 4. ". 4". *37. 08. 1#. 210. 411. 012. 413. "

14. "1. *31". 417. 318. 1(31#. 2

20. 321. 322. 223. *224. 02. *22". *327. *328. 02#. *3(230. *331. *(232. "(

33. 8(334. 83. 33". 1437. #38. *

3#. 1040. 3(41. 742. *343. 244. 2"(14. *3(4". 347. 248. 3 14#. 0 40. (41. *12

2. 13. 4(#4.