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Problem 6_2 (A)
Autor:
angela
6_2
Show that roots of the cubic equation
are in arithmetic progression if and only if
.
Solution:
Suppose roots are
,
, and
with
. Then,
.
and
. It follows that
and
.
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Existence of an isometry
Triangle Inequality Theorem Exploration
Entdecke weitere Themen
Lineare Optimierung
Multiplikation
Statistik
Quadratische Funktionen
Verteilungen