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Form 3 Mathematics Logarithmic Notations Questions and Answers
Solve the equation
log
10
(6x-2)-1=log
10
(x-3)
(2m 19s)
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1.
Solve for x in log(7x-3)+2log5=2+log(x+3).
2.
Find the value of x that satisfies the equation Log(2x-11)-log2=log3-logx
3.
Find x if -3log 5 +log
x
2
=log
1
125
4.
Solve for x (log
3
x
)
2
-
1
2
log
3
x
=
3
2
5.
Find the value of x that satisfies the equation, log (x+5)=log 4-log(x+2)
6.
Solve the equation: log(x+24)-2 log3=log (9-2x)
7.
Solve the equation log
10
(6x-2)-1=log
10
(x-3)
8.
evaluate, without using mathematical tables, the expression 2log
10
5-
1
2
log
10
16+2log
10
40
9.
Find, without using mathematical tables ,the expression
log
2
(
x
2
-9)=
3
log
2
2+1
10.
Solve for y in the equation
log
10
(3y+2)-1=
log
10
(y-4)
11.
Find the value of x given that log(15-5x)-1=log(3x-2)
12.
Without using mathematical tables or calculator,solve the equation
2
log
10
x-
3
log
10
2+
log
10
32=2
13.
Solve the equation :2log x-log(x-2)=2log3
14.
solve the equation:2log15-logx=log5+log(x-4)
15.
Solve the equation: 2log x-log(x-2)=2log3
16.
Without using mathematical tables or a calculator,evaluate
5
6
log
10
64+
log
10
50-
4
log
10
2
17.
Given that
2
log
x
2
+
log
√
x
=k logx,find the value of k
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