Answer:
13
Step-by-step explanation:
u=(3+2i) v=(3-2i)
uv = (3+2i)(3-2i)
FOIL
first: 3*3 = 9
outer: -2i*3 = -6i
inner: 2i*3 = 6i
last = 2i*-2i = -4i^2 =-4 (-1) = 4
Add together
9-6i+6i +4 = 13
Answer:
13.
Step-by-step explanation:
uv = (3 + 2i)(3 - 2i)
= 9 - 6i + 6i - 4i^2 Note that i^2 = -1 so we have
9 -4 * -1
= 13.
