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Q1
:
If log
a
+
log
b
= log (
a
+
b
), then:
b
a
A
a
+
b
= 1
B
a
=
b
C
a
-
b
= 1
D
a
2
-
b
2
= 1
Solution
ANS:
A
-
a
+
b
= 1
log
a
+ log
b
= log (
a
+
b
)
b
a
log (
a
+
b
) = log
a
x
b
= log 1.
b
a
So,
a
+
b
= 1.
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log (
