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Quadratic Equations - Set 3
Home
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NUST Entrance Test
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Mathematics
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Quadratic Equations
Set 3
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Mashaal Masha
Sep 29, 2022
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Choose the correct options for the following questions.
$(x+y)(x+\omega y)(x+\omega^{2}y)$=
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Difficulty: Easy
A:
$x^{2}+y^{2}$
B:
$x^{3}+y^{3}$
C:
$x^{2}-y^{2}$
D:
$x^{3}-y^{3}$
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If $\frac{-1+\sqrt{3}\iota}{2}$ and 1 are two cube roots of unity, then third is
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Difficulty: Easy
A:
-1
B:
1
C:
$\iota$
D:
None
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