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

can you help me?Answer the question please

NO LINKS WILL REPORT NEED HELP ASAP!!!!!!! In 200 words or less, how do you spread kindness at your school or within your community?

help asap.... good luck

Hello again, need help on this question.

A jar contains 133 pennies. A bigger jar contains 127 times as many pennies. What is the value of the pennies in the bigger jar?

The slope of the line passes through the points (2,3) and (5,9) is

7 ones 6 tenths = _____________ tenths PLS HELP!!!

What happens if people who are against healthcare (point) & (proof)

Read the sentence and choose the correct form of the verb estar. HELP ASAP A Edgar y a mí nos gusta viajar. Hoy nosotros ______________ en Colombia y mañana v

Find the cardinality of the following set. A = { 12 , 14 , 16 , 18 , 20 }