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Form 3 Mathematics Logarithmic Notations Questions and Answers
Find the value of x given that log(15-5x)-1=log(3x-2)
(1m 52s)
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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#-#1/2log#
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)=#3log_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 #2log_10# x-#3log_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 #5/6log_10#64+#log_10# 50-#4log_10# 2
17.
Given that #2logx^2+logsqrtx #=k logx,find the value of k
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