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CBSE XI
>>
Math
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Complex Numbers and Quadratic Equations
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Q)
Find the value of
2
x
4
+
5
x
3
+
7
x
2
−
x
+
41
,
when
x
=
−
2
−
√
3
i
(
a
)
1
(
b
)
0
(
c
)
6
(
d
)
4
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