Logarithmic Equations
- Logarithmic Exponential Equations
- Logarithmic Equations – Other Bases
- Quadratic Logarithmic Equations
- Sets of Logarithmic Equations
1. Solve:
x > 0 Solution:
3+log7x = 8 – 4log7x
5log7x = 5
log7x = 1
x = 71 = 7
K = {7}
3+log7x = 8 – 4log7x
5log7x = 5
log7x = 1
x = 71 = 7
K = {7}
2. Solve:
x > 0 Solution:
5+logx = 9-3logx
4logx = 4
logx = 1
x = 101= 10
K = {10}
5+logx = 9-3logx
4logx = 4
logx = 1
x = 101= 10
K = {10}
3.Solve:
x > 0 Solution:
K = {3-0,5}
K = {3-0,5}
4. Solve:
log3(5+4.log2(x-1)) = 2 x > 1
Please log in to view the solution. 5. Solve:
log(x+5) - log(x-1) = 1-log2 x > 1
Please log in to view the solution. 6. Solve:
log(x+2) + log(x-7) = 2.log(x-4) x > 7
Please log in to view the solution. 7. Solve:
log5x +log (2x + 3) = 1 + 2.log(3-x) x < 3
Please log in to view the solution. 8. Solve:
log(1+x)–log(1-x) = log(x+3)-log(4-x) x < 1
Please log in to view the solution. 9. Solve:
2log3x2 + 3log4x3 = 4log2x2 +4log6x x > 0
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