Because it is normally set to only find real roots, not complex roots
if you are smart, you can use the factor function and use your head to find those roots
Answer:
Step-by-step explanation:
in complex number land there are two distict parts real.. the first number and imaginary.. the second number with the i
if your problem really only has a 7 and an i in it.. then it looks like below
7 * i = 7i
but..I suspect you just left out a bit of the problem.. repost .. i'll answer it again if the problem is different that what you posted already :)
Answer:
um
Step-by-step explanation:
Answer:
The answer to your question is: x + 1 residue -3
Step-by-step explanation:
We can use synthetic division
x² - 4 / x - 1
1 0 -4 1
1 1
1 1 -3
Result
x + 1 residue -3
