Answer:
Multiplying a complex number by a real number
(x + yi) u = xu + yu i. In other words, you just multiply both parts of the complex number by the real number. For example, 2 times 3 + i is just 6 + 2i. Geometrically, when you double a complex number, just double the distance from the origin, 0.
binomial methods
Complex numbers use binomial methods of multiplication because unlike real numbers, imaginary numbers have two components.
So probably A. I sorry, but I need more information. Hope this helps
Step-by-step explanation:
Answer:
Interest in 3 years = $456.52
Step-by-step explanation:
As we know the the formula of compound interest
Total amount = ![A(1+\frac{r}{n})^{nt}](https://tex.z-dn.net/?f=A%281%2B%5Cfrac%7Br%7D%7Bn%7D%29%5E%7Bnt%7D)
Here n = number of times amount is compounded
r = rate of interest
t = period
Here A = $2500
r = 0.0575
n = 1 (compounded annually)
t = 3 years
Therefore amount after 3 years
![P=2500(1+\frac{.0575}{1})^{3}](https://tex.z-dn.net/?f=P%3D2500%281%2B%5Cfrac%7B.0575%7D%7B1%7D%29%5E%7B3%7D)
P =2500(1.0575)³
= 2500×1.18
= $2956.52
We have to calculate the interest then
Interest = $2956.52-$2500 = $456.52
So after 3 years interest gained = $456.52
4,000. subtract the numbers, then round to the nearest thousand.