ShaveTheWhales ShaveTheWhales

11-05-2017
Mathematics

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Find all the roots of the equation x^4 - 2x^3 + 14x^2 - 18x + 45 = 0 given that 1 + 2i is one of its roots.

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gorraricardezju gorraricardezju

11-05-2017

Hello ShaveTheWhales!

If (1+2i) is a root, then (1-2i) will also as kown, be another root.

In Other Words to make it NOT complicated for you, 1-2i, 3i, and -3i are the other 3 roots.

Hope this AT LEAST Helps! Have A Wonderful Day! :)

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