__ | 1. | 2logx - log(x+6) = 3log2 | | A. | x1= 1 y x2= -3 |
__ | 2. | log(2x+1)2 + 2log(3x-4) = 2 | | B. | x= 2/3 |
__ | 3. | log (3 - x2) =log 2 + log x | | C. | x= 6 |
__ | 4. | log(x+6) = 1 + log(x-3 | | D. | x = 7 |
__ | 5. | log(x+6) = log(2x-1) | | E. | x= 4 |
__ | 6. | log(x-5) + log(x+4)=1 | | F. | x1= 3 y x2= 2/6 |
__ | 7. | log(x²-15x) =3 | | G. | x1=2 y x2= -7/6 |
__ | 8. | log2 + log(11- x2)= 2log(5-x) | | H. | x1= 4 y x2 = -2 |
__ | 9. | [log(5+x5) / log(3+x)] = 2 | | I. | x= 40 |
__ | 10. | [log(x3-56) / log(x-2)] = 3 | | J. | x=12 |