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

Hi, I need to write a paragraph about the inequality between male and female

In Act II of Julius Caesar, which character says, “To mask thy monstrous visage? Seek none, conspiracy. Hide it in smilies and affability.” A. Antony B. Cassi

Which law provides safety from sexual harassment? A. Civil Rights Act B. Fair Labor Standards Act C. National Labor Relations Act D. Occupational Safety and

c.bien,unten,hinauf,hinunter,herauf,herunter?Ich warte auf dich hier................Geh schnell..................und hol mir die Jacke..................Ich bin.

what is 0.00678 in index form?

What achievement by the Ming dynasty does this picture represent ?

PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER

Please Help ASAP........................

It takes Mia 1/4 hour to pick out all beads and 1/10 hour to string them. If she only has 5 and 1/4 to make bracelets how many will Mia be able to make.

HELP ASAP!!!!!!!! WILL MARK BRANLIEST!!!!!!!! Why should poets economize words? Select ALL that apply. To say what they want to say So that poets don't have to