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

What are the factors that are tested by being varied by the experimenter?

Why do you need to draw a circle around each seismograph center, using the distance to the epicenter as the radius?

Which of the following areas is of environmental concern to Europeans? a. the Mediterranean Sea c. the Danube River b. the North Sea d. all of the above

A box of powdered laundry detergent contains 5.2 ounces of detergent. It takes 0.7 ounce of detergent to clean a load of laundry. How many full loads can by cle

Many historians believe the leading motive for the War of 1812 was the western desire for land expansion. True or false??

what is the control center of a cell?

if i cut 4.75foot lengths of twine from a 240 foot spool of twine and i need to cut 42would 40.5 feet of twine be left?

What Christmas item was invented by London baker and wedding-cake specialist Tom Smith in 1847

from y^2+5y-7 subtract y^2-3y-4

Do lions shiver? Why or why not