I dont know if its 100% correct but I believe its this one
Answer:
30
Step-by-step explanation:
Answer with Step-by-step explanation:
We are given that
We have to find the fourth roots of given complex number.

By using the formula



Angle of rotation=
Therefore, the four roots of given complex number are




Answer:
-6.5
Step-by-step explanation:
-2(p - 1) = 15
-2p + 2 = 15
-2p = 13
p = -6.5