Extending Polynomial Identities to Complex Numbers
Algebra · Flashcards · Recall
ALGEBRA · FLASHCARDS
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QUESTION
Identify the factorization of
x
2
−
2
a
x
+
(
a
2
+
b
2
)
x^2-2ax+(a^2+b^2)
x
2
−
2
a
x
+
(
a
2
+
b
2
)
over complex numbers.
QUESTION
What is
i
4
i^4
i
4
?
QUESTION
What is
i
2
i^2
i
2
?
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ANSWER
i
2
=
−
1
i^2=-1
i
2
=
−
1
. Definition of the imaginary unit.
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