SOLUTION: Find the sign of the following expression: -(c-b)^3(a-c)^2

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Find the sign of the following expression: -(c-b)^3(a-c)^2      Log On


   

Question 479020: Find the sign of the following expression: -(c-b)^3(a-c)^2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the sign of the following expression: -(c-b)^3(a-c)^2
---
-(c-b)^3 is negative if c>b
---
-(c-b)^3 is positive if c -----
(a-c)^2 is always positve as long as a is not equal to c.
-----
So your product is negative if c>b
And you product is positive if c And it is zero if a = c
=====================
cheers,
Stan H.
=================