Answer to Question #3673 in Algebra for tami

Question #3673

Find a polynomial with these roots. 1,2,5i

Expert's answer

Here it is
(x - 1)(x - 2)(x - 5i) = x³ - x² (3 + 5i) + x(2 + 5i) - 10i

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Comments

Assignment Expert

21.07.11, 16:30

Just substitute the roots into the polinome and make sure that it equals to zero.

dena

20.07.11, 18:42

This is wrong!!!

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