subject
Mathematics, 04.10.2021 14:00 Mackjrmario

If (
m

n
)
2
=
1
and
m
2
+
n
2
=
13
, what is the value of

2
m
n
?


14

− − 14


12

− − 12

12

12

14


If

(
m
−
n
)
2
=
1
and 
m
2
+
n
2
=
13
, what is the value of 
−
2
m
n
?
−
14
− − 14
−
12
− − 12

ansver
Answers: 1

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You know the right answer?
If (
m

n
)
2
=
1
and
m
2
+

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