the Galois group 12.) What is in the 2 x4-4x²-5? 5) Find and the write roots order of of the roots of the a nonidentit polynom quadratic f 2 of x² + ax + Laethan Simplify nots fine vonjugates, writs as possible

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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please answer 12 and 15 as i know that bartleby can answer up to 3 questions
12.) What is
in the
2
x4-4x²-5?
the
Galois group
15.) Find
and
the
write
order
roots
of
the roots
of
of
the
a
Bethe Kooks
La fatton Simplify Nots
the
nonidentity automorphism
polynomial
quadratic factors
2
of x tax tb first
above
fine vonjugates, write the roots
as possible.
Transcribed Image Text:12.) What is in the 2 x4-4x²-5? the Galois group 15.) Find and the write order roots of the roots of of the a Bethe Kooks La fatton Simplify Nots the nonidentity automorphism polynomial quadratic factors 2 of x tax tb first above fine vonjugates, write the roots as possible.
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