Can any one help me with this: Find all the REAL numbers m so that the equation z^3 + (3+i)z^2 -3z - (m+i) = 0 has at least one REAL root. NOTE: i = (-1)^1/2
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The equation can be written as If z is a real root then From the second equation we have . Plugging z in the first equation we get
Originally Posted by red_dog The equation can be written as If z is a real root then From the second equation we have . Plugging z in the first equation we get that was a lot easier than i thought it would be. you don't want to know the things than were going through my head!
10x
Originally Posted by N1CKYYY 10x What is this supposed to mean? -Dan
Originally Posted by topsquark What is this supposed to mean? -Dan inappropriate personal remark removed
Last edited by CaptainBlack; January 20th 2008 at 08:51 AM.
Originally Posted by N1CKYYY inappropriate personal remark removed Why don't you learn some manners and show respect to our senior members?
Last edited by CaptainBlack; January 20th 2008 at 08:52 AM.
I think this thread has run its course.
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