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attashe74 [19]
3 years ago
8

P(x) with rational coefficients has the given roots (i and 7 + 8i) Find two additional roots?

Mathematics
1 answer:
nikdorinn [45]3 years ago
3 0
P ( x ) has the given roots: ( i, 7 + 8 i ).
The complex roots of a polynomial P ( x ) with rational coefficients come in pair as:
a + b i and a - b i;
Additional roots are:  - i,   7 - 8 i.
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