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Standard X
Mathematics
Addition and Subtraction of a Matrix
30. Let a,b,c...
Question
30. Let a,b,c and k be real numbers and p(x) be the polynomial (x-a) (x-b) (x-c) + x. If p(k)=k ,then the sum of all possible values of k is what?
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Q.
The value of k for which the polynomial
x
3
+
10
x
2
+
k
x
+
1
is continuous for all values of x is
Q.
Let
f
(
x
)
=
x
5
+
a
x
4
+
b
x
3
+
c
x
2
+
d
x
−
420
where
a
,
b
,
c
,
d
are real parameters, be a polynomial. If all zeros of the polynomial
f
(
x
)
are integers larger than
1
,
and
f
(
4
)
is equal to
k
,
then
k
is divisible by
Q.
If
|
l
n
|
x
|
|
=
|
k
−
1
|
−
4
has exactly two distinct real roots for
x
∈
R
−
{
0
}
, then the sum of all possible integral values of k is
Q.
The roots of
(
x
−
a
)
(
x
−
c
)
+
k
(
x
−
b
)
(
x
−
d
)
=
0
are real and distinct for all real
k
if
Q.
Let
g
(
x
)
=
f
(
x
)
(
x
−
a
)
(
x
−
b
)
(
x
−
c
)
,
where
f
(
x
)
is a polynomial of degree less than
3.
If
(
a
−
b
)
(
b
−
c
)
(
c
−
a
)
=
k
,
where
k
is a non-zero constant, then
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