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Byju's Answer
Standard VI
Mathematics
Addition of Polynomials
Find the corr...
Question
Find the correct pair by evaluating the following
A
−
6
x
+
3
x
+
9
y
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B
18
x
y
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C
x
×
−
y
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D
9
x
×
2
y
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E
−
11
x
y
−
7
x
y
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F
−
3
x
+
9
y
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G
−
18
x
y
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H
−
x
y
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Solution
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Similar questions
Q.
Solve:
6
x
+
3
y
=
7
x
y
and
3
x
+
9
y
=
11
x
y
Q.
3
x
+
9
y
=
11
x
y
,
6
x
+
3
y
=
7
x
y
x
≠
0
,
y
≠
0
.
Q.
Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions.
(i)
x
−
3
y
−
3
=
0
;
3
x
−
9
y
−
2
=
0
(ii)
2
x
+
y
=
5
;
3
x
+
2
y
=
8
(iii)
3
x
−
5
y
=
20
;
6
x
−
10
y
=
40
(iv)
x
−
3
y
−
7
=
0
;
3
x
−
3
y
−
15
=
0
Q.
Find the value of 27x
3
+ 8y
3
, if
(i) 3x + 2y = 14 and xy = 8
(ii) 3x + 2y = 20 and xy =
14
9