Tuesday

September 16, 2014

September 16, 2014

Posted by **t** on Tuesday, September 27, 2011 at 3:24pm.

Show that c is a multiple root of f(x) if and only if c is a root of both f(x) and f'(x)

- calc -
**Steve**, Tuesday, September 27, 2011 at 3:44pmonly if:

f(x) = (x-c)^2 h(x)

f'(x) = 2(x-c) h(x) + (x-c)^2 * h'(x)

= (x-c) * (2h + (x-c)*h^2)

This should get you going. The "if" logic kind of works backwards from here.

**Answer this Question**

**Related Questions**

algebra!!!! please help me!!!! - A number is called algebraic if there is a ...

math - hi my name is hedi and i am in serious need with help with some math ...

Math (Algebra) - A number is called algebraic if there is a polynomial with ...

algebra - What is the basic principle that can be used to simplify a polynomial...

Algebra - 2. What is the basic principle that can be used to simplify a ...

algebra - can some one please help figure this problem out Determine whether ...

algebra - can some one please help figure this problem out Determine whether ...

algebra - can some one please help figure this problem out Determine whether ...

algebra - can some one please help figure this problem out Determine whether ...

algebra - can some one please help figure this problem out Determine whether ...