kaidyncarnes2296 kaidyncarnes2296

11-12-2020
Mathematics

contestada

The expression on (3+i)(4+5i) can be written in form a+bi, where a and b are integers. What are the values of a and b? (Show your work please)

Respuesta :

VectorFundament120 VectorFundament120

11-12-2020

[tex](3 + i)(4 + 5i) \\ 12 + 15i + 4i + 5 {i }^{2} \\ 12 + 19i - 5 \\ 7 + 19i[/tex]

Therefore, a is 7 aka real part and b is 19 which is imaginary part.

Answer Link

Otras preguntas

Shayna decides to give a speech on how important it is that we address the high number of homeless people in our country. This is an example of:_________ A) Pr

Find the surface area of the regular pyramid. Round to the nearest tenth if necessary

Bubba is opening a barbecue joint on Dickson St. He has a great location and a specially-built, infrared smoker that is the very latest design. Currently, none

which expressions are equivalent to this exponential expression

what is the equation of the following graph.

What is the molecular mass for the gas C8H18

A company has a one-time start up fee of $1000. The company makes x items that cost $20 each to make. The company sells the items for $30 each. a. Write the pr

Two point charges, +2.80 μC and -6.20 μC, are separated by 2.30 m. What is the electric potential midway between them?

An atom has 26 protons and 24 electrons , which element is this ?

Which market structure has the largest number of suppliers? A) monopoly B) oligopoly C) perfect competition D) monopolistic competition