Faithhopson Faithhopson

02-06-2022
Mathematics

contestada

solve u^2 = -4, where u is a real number. Simplify your answer as much as possible.

will mark brainliest if correct

Respuesta :

gameforpop gameforpop

02-06-2022

Answer:

2i and -2i

Step-by-step explanation:

I'll change u to x to be easier to understand.

x^2 = -4

sqrt(x^2) = sqrt(-4)

sqrt(-4) = 2i, or -2i

Answer Link

Otras preguntas

write the equation for taking away 5 from x gives 10

can I get some urgent help please?

Name the important endocrine glands present in our body

What is the solute in the mixture of muddy water

action taken by first continental congress

Describe the strategy of the South to win the war? please

An atom of an element is shown by the model. A gray circle is surrounded by 4 concentric circles. The innermost circle has gray dots at the north and south posi

Your brother has a bag of marbles. He has 8 green marbles, 3 blue marbles, 7 red marbles, and 2 yellow marbles. What is the ratio of blue marbles to green and r

One kilogram of butane (C4H10) is burned with 25 kg of air that is at 308C and 90 kPa. Assuming that the combustion is complete and the pressure of the products

High dose radiation for cancer treatment has been shown to increase risk for breast cancer years after the treatment True or False?