ssamm26 ssamm26

09-07-2021
Mathematics

contestada

pls answer w explanation!

What is the product of the complex numbers 2 + 6i and 2 - 6i? (Note: i= √-1)

Respuesta :

Аноним Аноним

09-07-2021

Answer:

10

Step-by-step explanation:

Apply difference of squares.

[tex](x + y)(x - y) = {x}^{2} - {y}^{2} [/tex]

[tex](2 + 6i)(2 - 6i) = {2}^{2} - {6i}^{2} [/tex]

[tex] = 4 + 6[/tex]

[tex] = 10[/tex]

Answer Link

Otras preguntas

A 1,100 kg car is traveling at 20 m/s as it begins going down a 40 m hill. What is its total mechanical energy?.

flotation costs for a levered firm should be: multiple choice ignored when analyzing a project because they are a sunk cost. spread over the life of a project t

calculate the number of grams of aluminum required to prepare 297.0 g of chromium metal by the first reaction.

The ability to be flattened into sheets without losing the strength of the substance is which property?.

a u.s. company imports raw materials from africa, has manufacturing facilities in china, and uses a company in india for assembly. this company is benefiting fr

Based on location in the periodic table, which element has chemical properties that are most similar to iodine (i)?.

The method of depreciation that charges a varying amount to depreciation expense for each period depending on its usage is called the _________ method.

A box with a square base and open top must have a volume of 13,500 cm3. Find the dimensions of the box (in cm) that minimize the amount of material used.

make a list of the area were fighting took place to show why it is called World War 1?

one of the ways that walmart has been able to reduce the prices of its products, and add value to its customers, is by its continuing focus on streamlining all