Answer:
1, 7
Step-by-step explanation:
(3+i)(1+2i)
=3+6i+i+2i^2
=3+7i+2i^2
=1+7i
a = 1
b = 7
i^2=-1
2
4
pls mark brainliest
one
ps I am only nine
Point form: (2,3) and x=2 and y=3
235.980931
