Answer:
13 1/8
Step-by-step explanation:
3/2* 7/2*5/2
= 105/8
= 13 1/8
Step-by-step explanation:
........ .......... ....
Answer:
171
Step-by-step explanation:
Asked and answered elsewhere.
brainly.com/question/10192511Knowing that 1+2i is a root, you also know that 1-2i is a root, so one quadratic factor is
(x -1)² -(2i)² = x^2 -2x +5
Long division of the given polynomial by this quadratic gives a quotient of
x² +9
which has roots ±3i.
Then all
the roots are {-3i, 3i, 1-2i, 1+2i}.
