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Quantitative Aptitude
Number of Zeroes in a Number
22.1. what ar...
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22.1. what are the zeros of f(x),If f(x) = 4x4 21x2 + 27,
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Q.
If
F
(
x
)
=
2
x
3
−
21
x
2
+
36
x
−
20
, then
Q.
If k and 2k are zeros of
f
(
x
)
=
x
3
+
4
x
2
+
9
k
x
=
90
, find k and all three zeros of f(x).
Q.
Find
g
(
x
)
, if
f
(
x
)
=
7
x
+
12
and
f
(
g
(
x
)
=
21
x
2
+
40
Q.
If
f
(
x
)
=
x
2
+
4
x
−
12
, what are the zeros of
f
?
Q.
Let
f
(
x
)
=
−
2
x
3
+
21
x
2
−
60
x
+
41.
Then
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