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Question 22
Which of the following is equivalent to
1
/
y
+
1
/
u
?
u
/
y
(
u
+
y
)
/
(
u
y
)
1
/
(
u
y
)
1
/
(
u
+
y
)
2
/
(
y
+
u
)
None of these.
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