JurneeA519097 JurneeA519097

03-11-2022
Mathematics

contestada

What is the product of the complex numbers below? (4-21)(1+7) O A. 18-301 O B. -10-301 ОО O C. -10 + 261 O D. 18 + 261

What is the product of the complex numbers below 42117 O A 18301 O B 10301 ОО O C 10 261 O D 18 261 class=

Respuesta :

GarronE73725 GarronE73725

03-11-2022

Given the complex product:

(4 - 2i)(1 + 7i) =

• First we multiply each parenthesis:

4 + 28i - 2i - 14i²

• Using i² = -1

4 + 28i - 2i + 14 =

18 + 26i

Answer Link

Otras preguntas

Which best explains whether a triangle with side lengths 2 in., 5 in., and 4 in. is an acute triangle? The triangle is acute because 22 + 52 > 42. The triang

Which step should be removed from the diagram to accurately show the way U.S, presidents are picked? Step 1: Step 2: Step 3: Step 4; Citizens Polilical vote for

Three times the sum of a number, y, and 5 is at most 36.

The selling price of a compact disc player is $198. The markup rate used by the seller is 50%. Find the cost of the compact disc player.

can someone help me? i really need it :)

80 PTS!!Two vertices of a right triangle have coordinates (6,-2) and (1,6). Select EACH ordered pair that could be the coordinates of the third vertex. [](1,1

general effects of global warming

Point p divides segment ab in the ratio AP:PB = 8:12. Which letter marks the location of point p? A. Point k B. Point L C. Point M D. Point N

help please help me

How did the Supreme Court Cases affected Jackson’s presidency?