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Problem 6_2 (A)
Yazar:
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
.
Yeni Kaynaklar
Trefoil Knot
Angle Addition: Warm Up Exercises
Untitled
רישום חופשי
Slope and Road Signs
Kaynakları Keşfet
Función coseno
curiosity
Euler Line in Triangle
Practice
Centroid
Konuları Keşfet
Çeşit Kenar Üçgenler
Doğrular
Eğri Çizimi
Kök
Çıkarma