Author Topic: Solutions to Complex Equations (Read 713 times) Tweet Share

wildareal · « **on:** November 27, 2010, 10:19:45 pm »

Hi,

-2-i is a solution of the equation z^4-5z^2 +4z+30=0.

Find the other solutions of the equation.

Mao · « **Reply #1 on:** November 27, 2010, 11:53:14 pm »

All the coefficients are real. Therefore...

wildareal · « **Reply #2 on:** November 28, 2010, 12:13:40 am »

Find the conjugate factor, expand, equate coefficients?

pi · « **Reply #3 on:** November 28, 2010, 10:39:13 am »

Find the conjugate factor, expand, equate coefficients?

you could use long division, could take a while though

/0 · « **Reply #4 on:** November 28, 2010, 10:42:42 am »

Find the conjugate factor, expand, equate coefficients?

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