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

Yan is climbing down a ladder. Each time he descends 4 rungs on the ladder, he stops to see how much farther he has to go. If Yan made 8 stops with no extra ste

All of the following techniques are recommended for kinesthetic learners EXCEPT _____. A) use experiments to learn the material B) focus on reading the text C)

Find the derivative of the algebraic function

WILL CHOOSE BRAINLIEST! In 2008, what fraction of traffic-related deaths was a result of alcohol-impaired driving crashes? three fourths one third one half one

4 moles of solid nacl are added to 4 l water, where they dissociate completely. what's the total molar concentration of solutes in the resulting solution?

Escribe la palabra para completar la frase. Write the correct word to complete the sentence. You may copy and paste the accented and special characters from th

What is a cluster of cells that have implanted in the uterus?

Kantian theory says that people have a __________ duty to cultivate their talents. negative positive relative hypothetical

divide m2n3/p3 by mp/n2

classify the triangle with sides of 24 24 and 4th