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Class VI
Class VII
Class VIII
Class IX
Class X
CBSE Grade IX - Polynomials
Question
1
1.
Find the value of
25
3
+
55
3
−
80
3
125000
1331000
(-330000)
(-125000)
(-1331000)
Question
2
2.
Factorize
(
a
+
b
)
2
−
c
2
(
a
+
b
+
c
)
(
a
−
b
+
c
)
(
a
+
b
+
c
)
(
a
−
b
−
c
)
(
a
+
b
−
c
)
(
a
−
b
−
c
)
(
a
+
b
−
c
)
(
a
−
b
+
c
)
(
a
+
b
+
c
)
(
a
+
b
−
c
)
Question
3
3.
The remainder when
(
2
b
2
+
8
b
)
is divided by
(
b
+
4
)
is
2
(
−
2
)
(
−
1
)
1
0
Question
4
4.
Factorize
(
a
−
b
)
3
+
(
b
−
c
)
3
+
(
c
−
a
)
3
3
(
a
+
b
)
(
b
−
c
)
(
c
−
a
)
3
(
a
−
b
)
(
b
+
c
)
(
c
−
a
)
3
(
a
−
b
)
(
b
−
c
)
(
c
+
a
)
3
(
a
−
b
)
(
b
+
c
)
(
c
+
a
)
3
(
a
−
b
)
(
b
−
c
)
(
c
−
a
)
Question
5
5.
(
15
x
3
+
10
x
2
)
÷
5
x
(
3
x
2
+
2
x
)
(
2
x
2
+
2
x
)
(
3
x
2
−
2
x
)
(
−
3
x
2
+
2
x
)
(
3
x
2
+
3
x
)
Question
6
6.
The value of
199
1
2
✕
199
1
2
is
39800
1
4
39800
1
2
39800
1
6
39799
3
4
39800
3
4
Question
7
7.
The remainder when
(
−
i
2
)
is divided by
(
i
+
7
)
is
(
−
52
)
(
−
49
)
(
−
48
)
(
−
47
)
(
−
50
)
Question
8
8.
The quotient of
(
9
a
2
+
6
a
b
−
18
a
c
+
b
2
−
6
b
c
+
9
c
2
)
÷
(
−
3
a
−
b
+
3
c
)
is
(
−
3
a
+
b
+
3
c
)
(
−
3
a
−
4
b
+
3
c
)
(
−
4
a
−
b
+
3
c
)
(
−
2
a
−
b
+
3
c
)
(
−
3
a
−
b
+
3
c
)
Question
9
9.
Which of the following polynomials has
(
x
−
1
)
as a factor ?
(
2
x
3
+
16
x
2
+
40
x
+
32
)
(
3
x
3
+
17
x
2
+
18
x
−
8
)
(
12
x
3
+
14
x
2
−
18
x
+
4
)
(
3
x
3
+
2
x
2
−
7
x
+
2
)
(
4
x
3
+
22
x
2
+
20
x
−
16
)
Question
10
10.
Factorize
(
a
2
−
8
a
b
+
16
b
2
)
(
−
a
+
2
b
)
(
−
a
+
b
)
4
b
4
b
(
−
a
+
6
b
)
(
−
a
+
6
b
)
(
−
a
+
4
b
)
(
−
a
+
4
b
)
(
−
2
a
+
4
b
)
(
−
2
a
+
4
b
)
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