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Byju's Answer
Standard VI
Mathematics
Coefficient
Subtract the ...
Question
Subtract the sum of 3l-4m-7nsquare and 2l+3m-4nsquare from the sum of 9l+2m-3nsquare and -3l+m+4nsquare
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Solution
Dear student
We
have
,
9
l
+
2
m
-
3
n
2
-
3
l
+
m
+
4
n
2
-
3
l
-
4
m
-
7
n
2
+
2
l
+
3
m
-
4
n
2
=
6
l
+
3
m
+
n
2
-
5
l
-
m
-
11
n
2
=
6
l
+
3
m
+
n
2
-
5
l
+
m
+
11
n
2
=
l
+
4
m
+
12
n
2
Regards
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.....
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