I don't know how to set up a diagram for this, but I could write an expression. 20*4= x
sorry, but I hope this helps. I not even sure my expression is correct.
Let
. Then

lies in the second quadrant, so

So we have

and the fourth roots of
are

where
. In particular, they are




The correct answer should be :
Option 3 : 
Hope this helps,
Davinia.
Answer
The answer and procedures of the exercise are attached in the following archives.
Step-by-step explanation:
You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.