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Class VI
Class VII
Class VIII
Class IX
Class X
ICSE Grade X - Factor Theorem
Question
1
1.
(
3
x
5
+
5
x
4
−
31
x
3
−
49
x
2
+
36
x
+
36
)
divided by
(
−
3
x
3
−
8
x
2
+
5
x
+
6
)
=
(
−
x
2
+
x
+
6
)
(
−
x
2
+
x
−
6
)
(
−
x
2
+
2
x
+
6
)
(
−
x
2
−
x
+
6
)
(
−
x
2
+
6
)
Question
2
2.
Given
f
(
r
)
=
(
9
r
4
−
2
r
3
+
2
r
2
−
3
r
+
5
)
,
find
f
(
2
)
132
136
134
138
135
Question
3
3.
If
5
2
and
(
-5
2
)
are the zeros of the polynomial
f
(
x
)
=
16
x
4
+
48
x
3
+
a
x
2
−
300
x
+
b
, find the value of
a
and
b
-126
,
-81
-80
,
-124
-79
,
-125
-124
,
-79
-80
,
-125
Question
4
4.
The remainder when
(
2
q
4
+
9
q
3
−
9
q
2
−
8
)
is divided by
(
q
+
2
)
is
(
−
84
)
(
−
86
)
(
−
85
)
(
−
83
)
(
−
81
)
Question
5
5.
The value of the polynomial
(
9
d
−
6
)
at
d
=
(-3)
is
-33
-32
-36
-30
-34
Question
6
6.
Factorize
(
4
x
2
+
6
x
−
4
)
(
2
x
−
1
)
(
4
x
+
4
)
(
2
x
−
1
)
(
−
x
+
4
)
(
2
x
−
1
)
(
2
x
+
4
)
(
2
x
−
1
)
(
x
+
4
)
(
2
x
−
1
)
(
3
x
+
4
)
Question
7
7.
Factorize
(
x
2
+
2
x
a
−
x
+
a
2
−
a
−
30
)
(
x
−
a
+
5
)
(
x
+
a
+
6
)
(
x
+
a
+
5
)
(
x
+
a
−
6
)
(
x
+
a
−
6
)
(
x
−
a
+
5
)
(
x
−
a
−
6
)
(
x
+
a
−
5
)
(
x
+
a
+
5
)
(
x
−
a
−
6
)
Question
8
8.
The value of the polynomial
(
7
u
4
−
3
u
3
+
5
u
2
+
7
u
−
4
)
at
u
=
(-1)
is
4
1
5
3
6
Question
9
9.
Given
f
(
r
)
=
(
r
2
+
5
r
−
5
)
,
find
f
(
1
)
1
2
-2
3
0
Question
10
10.
The remainder when
(
−
v
4
−
3
v
3
−
5
v
2
+
7
v
−
2
)
is divided by
(
v
+
9
)
is
(
−
4845
)
(
−
4842
)
(
−
4847
)
(
−
4844
)
(
−
4843
)
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