Answer:
159 degrees
Step-by-step explanation:
A full semicircle (or half circle) has a degrees of 180. And x is equal that semicircle so x = 180, now if we subtract 21 from 180 we get 159, so X = 159.
Answer:
5 + 4i
Step-by-step explanation:
In general, the conjugate of a + bi is a - bi
X⁵+ x +2x³ + 6+ 2x² = x⁵ + 2x³ +2x² + x + 6
