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Class VI
Class VII
Class VIII
Class IX
Class X
CBSE Grade IX - Polynomials
Question
1
1.
(
−
2
a
−
2
3
b
)
(
−
2
a
+
2
3
b
)
(
4
a
2
−
2
9
b
2
)
(
3
a
2
−
4
9
b
2
)
(
4
a
2
−
2
3
b
2
)
(
4
a
2
−
4
9
b
2
)
(
5
a
2
−
4
9
b
2
)
Question
2
2.
(
36
x
3
y
2
+
72
x
2
y
3
)
÷
6
x
y
=
(
6
x
2
y
+
12
x
y
3
z
)
(
6
x
2
y
+
12
y
3
)
(
6
x
3
y
2
+
12
x
y
2
)
(
6
x
2
y
+
12
x
y
2
)
(
6
x
3
y
3
+
12
x
y
2
)
Question
3
3.
(
−
27
x
5
−
126
x
4
−
126
x
3
+
72
x
2
+
153
x
+
54
)
divided by
(
9
x
3
+
9
x
2
−
9
x
−
9
)
=
(
−
3
x
2
−
12
x
−
6
)
(
−
3
x
2
−
10
x
−
6
)
(
−
3
x
2
−
11
x
+
6
)
(
−
3
x
2
−
11
x
−
6
)
(
−
3
x
2
+
11
x
−
6
)
Question
4
4.
The degree of polynomial
(
−
2
q
2
s
2
−
9
q
2
s
+
9
q
2
+
4
r
+
5
s
2
)
is
4
2
5
3
7
Question
5
5.
(
a
+
b
)
2
(
2
a
b
+
b
2
)
(
a
2
+
4
a
b
+
b
2
)
(
a
2
+
b
2
)
(
2
a
2
+
2
a
b
+
b
2
)
(
a
2
+
2
a
b
+
b
2
)
Question
6
6.
Which of the following algebraic expressions is a constant polynomial?
2
m
n
3
o
(
−
4
)
(
−
9
m
n
2
−
7
m
n
o
3
)
(
−
2
m
3
n
2
o
−
5
m
3
n
2
−
7
m
3
n
o
2
)
(
m
3
n
3
o
3
+
m
3
n
+
7
m
2
n
o
2
−
8
o
)
Question
7
7.
The remainder when
(
−
5
x
2
−
2
x
−
1
)
is divided by
(
x
−
6
)
is
(
−
192
)
(
−
196
)
(
−
193
)
(
−
194
)
(
−
191
)
Question
8
8.
Factorize
(
25
a
2
+
20
a
b
−
40
a
c
+
4
b
2
−
16
b
c
+
16
c
2
)
(
4
a
+
2
b
−
4
c
)
(
4
a
+
2
b
−
4
c
)
(
5
a
−
b
−
4
c
)
(
5
a
−
4
c
)
(
5
a
+
2
b
−
4
c
)
(
5
a
+
2
b
−
4
c
)
(
6
a
+
2
b
−
4
c
)
(
6
a
+
2
b
−
4
c
)
(
5
a
+
4
b
−
4
c
)
(
5
a
+
4
b
−
4
c
)
Question
9
9.
The remainder when
(
−
7
q
4
+
q
3
−
5
q
2
+
4
q
)
is divided by
(
q
+
5
)
is
(
−
4646
)
(
−
4647
)
(
−
4645
)
(
−
4644
)
(
−
4643
)
Question
10
10.
The constant term in polynomial
(
−
3
w
+
2
)
is
0
3
2
1
4
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