jasminealexander2006 jasminealexander2006

15-05-2020
Mathematics

contestada

Simplify the expression (square root 3+i)(square root 3-i) and write the result in the form a+bi

a. 2
b. 2i
c. square root 3+i
d. 4

Respuesta :

amna04352 amna04352

15-05-2020

Answer:

d. 4

Step-by-step explanation:

(a - bi)(a + bi) = a² + b²

(square root 3+i)(square root 3-i)

[(sqrt(3))³ + 1²]

3 + 1

4

Answer Link

Otras preguntas

Need help asap please anyone?

need help!the first question is "what 2 stanzas talk about the free bird?"and the other question is "what stanzas talk about the caged bird?"

There are two different species of finch that live on the same small island, species A andspecies b. Both species successfully feed and reproduce on the island

The stack on the left is made up of 15 pennies, and the stack on the right is also made up of 15 pennies. If the volume of the stack of pennies on the left is 3

How many students were surveyed?

Persistent headaches, chronic pain, and digestive problems. What are these symptoms of? a.DepressionB.FatigueC.ManiaD.Social anxiety

Quick i need help with number 23

What are the changes made to public holiday(day of reconciliation)?

which of the following is part of a observational study? Placebo Treatment Control Group Variable of interest

One of the most common causes of fires in the home and workplace is: a.All of the aboveB.ArsonC.CandleD.Faulty electricity