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Cubic Root Comparison (
Posted on 20230705
)
Let P(x)=x
^{3}
4x
^{2}
+39x46 and Q(x)=x
^{3}
+3x
^{2}
+4x3 be two polynomials.
1. Prove that each of P, Q has an unique real root. Let them be a, b respectively.
2. Prove that {a}>{b}
^{2}
, where {x}=x[x] is the fractional part of x.
No Solution Yet
Submitted by
Danish Ahmed Khan
Rating:
5.0000
(1 votes)
Comments: (
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)
Subject
Author
Date
No Subject
brandon blak
20230728 11:23:02
well it is a proof if you just solve it
Charlie
20230706 17:41:53
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