i need to find out the equation, the roots are given:

-1+2√2and-1-2√2

2 2

pls help

Printable View

- September 26th 2009, 05:29 AMIlsafind out the equation with the roots given
i need to find out the equation, the roots are given:

__-1+2√2__and__-1-2√2__

2 2

pls help - September 26th 2009, 05:42 AMe^(i*pi)
- September 26th 2009, 07:27 AMramiee2010
you can also use this formula

x^2 - (sum of roots) x + (product of roots ) = 0 - September 26th 2009, 07:38 AMWilmer
x^2 + x + C = 0

x = [-1 +- sqrt(1 - 4C)] / 2

Get my drift? - September 28th 2009, 06:40 AMIlsa
i am using the formula bu can't get the equation, pls help by giving complete steps ~ thankyou.

- September 28th 2009, 06:47 AMstapel
- September 28th 2009, 07:45 AMramiee2010

therefore ,the equation is