Sign in
Search
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Problem 6_2 (A)
Author:
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
.
New Resources
Periodic Functions
bearing HK
What is an Isogonal Conjugate?
Flip Flop
Lorenz Attractor: Multiple particles
Discover Resources
Infinite Limit of f(x) When x Tends to a Finite Value - Lesson+Practice
üçgenin çevrel çemberi
Arthur_Construções 2
Test
Θεώρημα Bolzano
Discover Topics
Hypothesis Testing
Symmetry
Rational Numbers
Ratios
Complex Numbers