Question: Evaluate the expression (-4-2i)(-4+42) and write the result in the form a + bi. The real number a equals The real number b equals

Evaluate the expression (-4-2i)(-4+42) and write the result in the form a

Evaluate the expression (-4-2i)(-4+42) and write the result in the form a + bi. The real number a equals The real number b equals

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

To evaluate the expression 4 2i4 4i we will use the FOIL method which stands for First ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Q:

A vector in free space is given as A=(z+8 z)i + (6 y z)j + (x + 24 x z + 12 y z)k Find the curl of the vector (x) at point (1,1,1) A scalar function in free space is given as f(x, y, z)=xz + 10 x z +...

Q:

The following additional information is available for the Dr. Ivan and Irene Incisor family from Chapters 1-5. Ivan's grandfather died and left a portfolio of municipal bonds. In 2012, they pay Ivan...

Q:

QUIZ... Let D be a poset and let f : D D be a monotone function. (i) Give the definition of the least pre-fixed point, fix (f), of f. Show that fix (f) is a fixed point of f. [5 marks] (ii) Show that...

Q:

Name each of the following compounds using R,S and E,Z (Section 3.5) designations where necessary: a. b. c. d. e. f. g. h. CH2CH3 H- CH3 H2CH C-C C-C CI Br CH,CH CH-CH,CH,CH, - H3C CH2CH2l CH2CH...

Q:

Complete the following sentences: a. In the double-log model the slope coefficient measures ... b. In the lin-log model the slope coefficient measures ... c. In the log-lin model the slope...

Q:

49. Four capacitors are connected in a circuit, as illustrated in Figure 16.32. Find the charge on, the voltage difference across, and the energy stored for each of the capacitors.

Q:

Consider a single-server bank for which customers arrive in accordance with a Poisson process with rate . If a customer will enter the bank only if the server is free when he arrives, and if the...

Q:

Use the following abbreviations to indicate the journal in which you would record transactions a through n. J = General journal S = Sales journal CR = Cash receipts journal P = Purchases journal CP =...

Q:

Given the following selected account balances of Randa Company, prepare its manufacturing statement for the year ended on December 31, 2013. Include a listing of the individual overhead account...

Q:

need help with 5 5. (4 pts.) Simplify each expression (for values of the variable for which the function is defined). Write your answer as a single trigonometric function in simplest form. Show all...

Q:

2. A local charity is selling one thousand raffle tickets at $1 a piece. The grand prize is $250, with two second prizes of $100, and five third prizes of $50. Part A: Fill in the probability...

Q:

0 = are length -19m 0=? radius of the circle = 7m rad. Round your answer to two decimal places.

Q:

Elmwood City incurred the following transactions during the year. Use the lines provided below and on the following pages to prepare journal entries to record each transaction and identify the fund...

Q:

3. (20 points) Consider a circular dart board with radius 1 that is inscribed in a square frame: (-1,1) (-1,-1) (1,1) (1,-1) Suppose you throw n independent darts at random into the square frame and...

Q:

your answer: Y1 2t2 = Y2 = t Which function(s), if any, are solutions to 2t2y" + 3ty' - y = 0? Be sure to briefly justify

Q:

eBook Printem Anupated sales for Safety Corp company were 4000 passenger car tres and 2.000 trucuresHubber and steel belts are used in producing passenger car and truck tires according to the...

Q:

What are the two components of a company's income tax provision? What does each component represent about a company's income tax provision?

Q:

Professor Patricia (Patty) Pate is retired from the PalmSprings Culinary Arts Academy (PSCAA). She is a single taxpayer and is 68 years old. Patty lives at 98 Colander Street, Henderson, NV 89052....

Q:

Sherry Hopson owns a retail family clothing store. Her store is located at 4321 Circle Drive, Houston, TX 77001. Her employer identification number is 95- 1234321 and her Social Security number is...

Q:

Tom has a successful business with $100,000 of income in 2012. He purchases one new asset in 2012, a new machine which is 7-year MACRS property and costs $25,000. If you are Tom's tax advisor, how...

Q:

Each of 12 refrigerators of a certain type has been returned to a distributor because of an audible, high-pitched, oscillating noise when the refrigerators are running. Suppose that 7 of these...

Q:

Customers at a gas station pay with a credit card (A), debit card (B), or cash (C). Assume that successive customers make independent choices, with , , and . a. Among the next 100 customers, what are...

Q:

a. Draw a line graph of the pmf of X in Exercise 35. Then determine the pmf of and draw its line graph. From these two pictures, what can you say about V(X) and ? b. Use the proposition involving to...