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WAEC Further Mathematics 2024 Paper
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© africaexams.com
Question : 8
Total: 40
If log
2
x
= 2, evaluate log
x
128
.
7
2
7
2
2
7
Validate
Solution:
log
2
x
= 2, in index form = x = 2
2
= 4
So, log
x
128
= log
4
128
= log
2
2
2
7
=
7
2
log
2
2
=
7
2
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