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Analysis & Approaches · Standard Level
AA SL
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Q 1/20
Algebra & Functions · SL
Question 1
Solve
log
2
(
x
+
3
)
+
log
2
(
x
−
1
)
=
5
\log_2(x+3) + \log_2(x-1) = 5
lo
g
2
(
x
+
3
)
+
lo
g
2
(
x
−
1
)
=
5
.
A
x
=
5
x = 5
x
=
5
B
x
=
4
x = 4
x
=
4
C
x
=
6
x = 6
x
=
6
D
x
=
3
x = 3
x
=
3