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Class VI
Class VII
Class VIII
Class IX
Class X
SSC Grade IX - Polynomials and Factorisation
Question
1
1.
Factorize
(
15
a
2
b
+
35
a
b
2
)
5
a
b
(
3
a
+
7
b
)
5
b
(
3
a
−
7
b
)
5
a
b
(
−
3
a
−
7
b
)
5
a
(
3
a
+
7
b
)
5
a
b
(
3
a
−
7
b
)
Question
2
2.
(
8
x
4
y
2
z
3
+
4
x
3
y
2
z
3
+
48
x
3
y
2
z
2
)
÷
2
x
2
y
z
=
(
4
x
2
y
z
2
+
24
x
y
z
+
2
y
2
z
2
)
(
4
x
2
y
z
2
+
2
x
y
2
z
3
+
24
x
y
z
)
(
4
x
3
y
3
z
2
+
2
x
y
z
2
+
24
x
y
z
)
(
4
x
2
y
z
2
+
2
x
y
z
2
+
24
x
y
z
)
(
4
x
3
y
2
z
2
+
2
x
y
z
2
+
24
x
y
z
)
Question
3
3.
The quotient when
(
−
5
z
)
is divided by
(
−
3
)
is
3
z
5
3
z
z
7
5
z
7
3
z
Question
4
4.
Factorize
(
4
x
2
−
4
x
y
−
8
y
2
)
(
4
x
+
4
y
)
(
x
+
2
y
)
(
4
x
+
4
y
)
(
4
x
+
4
y
)
(
4
x
−
4
y
)
(
x
−
2
y
)
(
4
x
−
4
y
)
(
x
+
2
y
)
(
4
x
+
4
y
)
(
x
−
2
y
)
Question
5
5.
The quotient of
(
125
a
3
+
75
a
2
b
+
15
a
b
2
+
b
3
)
÷
(
5
a
+
b
)
is
(
25
a
2
+
13
a
b
+
b
2
)
(
25
a
2
+
8
a
b
+
b
2
)
(
26
a
2
+
10
a
b
+
b
2
)
(
24
a
2
+
10
a
b
+
b
2
)
(
25
a
2
+
10
a
b
+
b
2
)
Question
6
6.
The value of the polynomial
(
−
3
m
+
2
n
2
+
4
n
)
at
l
=
2
,
m
=
(-5)
,
n
=
4
is
64
63
61
65
62
Question
7
7.
The value of
(
−
11
b
c
+
7
c
)
✕
(
−
8
c
−
10
)
✕
(
9
b
c
−
9
)
is
(
792
b
2
c
3
+
988
b
2
c
2
−
504
b
c
3
−
1422
b
c
2
−
990
b
c
+
504
c
2
+
630
c
)
(
793
b
2
c
3
+
990
b
2
c
2
−
504
b
c
3
−
1422
b
c
2
−
990
b
c
+
504
c
2
+
630
c
)
(
792
b
2
c
3
+
990
b
2
c
2
−
504
b
c
3
−
1422
b
c
2
−
990
b
c
+
504
c
2
+
630
c
)
(
791
b
2
c
3
+
990
b
2
c
2
−
504
b
c
3
−
1422
b
c
2
−
990
b
c
+
504
c
2
+
630
c
)
(
792
b
2
c
3
+
993
b
2
c
2
−
504
b
c
3
−
1422
b
c
2
−
990
b
c
+
504
c
2
+
630
c
)
Question
8
8.
Which of the following algebraic expressions is a binomial?
(
2
c
3
d
e
3
+
c
e
3
)
(
c
3
d
e
2
+
2
c
d
2
e
−
9
c
e
3
)
(
−
7
c
3
d
3
e
3
+
8
c
3
d
2
e
−
9
c
2
e
2
−
7
c
d
2
e
2
)
5
c
d
2
e
2
(
−
5
c
3
d
2
e
2
+
3
c
2
d
2
−
6
c
d
3
e
2
+
9
d
2
e
)
Question
9
9.
(
4
a
−
2
b
)
2
(
16
a
2
−
14
a
b
+
4
b
2
)
(
15
a
2
−
16
a
b
+
4
b
2
)
(
17
a
2
−
16
a
b
+
4
b
2
)
(
16
a
2
−
16
a
b
+
4
b
2
)
(
16
a
2
−
18
a
b
+
4
b
2
)
Question
10
10.
Which of the following terms can be added to
(
−
7
g
f
h
2
)
?
9
f
2
g
h
2
(
−
9
f
2
g
2
h
)
(
−
8
f
2
g
h
)
(
−
8
f
g
2
h
2
)
(
−
4
f
g
h
2
)
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