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Surds and Indices
1 + 1 =? 1 + a(n - m) 1 + a(m - n)
0
11⁄2
1
am + n
Correct Answer:
1
Explanation:
1
+
1
=
1
+
1
❨
1 +
a
n
❩
a
m
❨
1 +
a
m
❩
a
n
1 +
a
(
n
-
m
)
1 +
a
(
m
-
n
)
=
a
m
+
a
n
(
a
m
+
a
n
)
(
a
m
+
a
n
)
=
(
a
m
+
a
n
)
(
a
m
+
a
n
)
= 1.
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