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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
.
Neue Materialien
အခြေခံ data အခေါ်အဝေါ်များ
Area of a Trapezoid
Slope Between 2 Points (Phase 2)
The Gardener's Circle
Fractal Tétraèdre. Dilatation -1/2 centre triangles
Entdecke Materialien
Double Number Line Model for Unit Conversions
Factorization involving Special Algebraic Identities (Perfect Squares and Difference of Squares)
Untitled
Laws of Sine and Cosine
Ejercicio 2
Entdecke weitere Themen
Lineare Gleichungen
Trigonometrie
Multiplikation
Bedingte Wahrscheinlichkeit
Deltoid und Drachenviereck