Question

Simplify Complex Numbers

Answer 1

\[\sqrt{-121} = 11i\]

Answer 2

simply put \(\sqrt{-1} = i\)

find the sqrt for 121 separately

Answer 3

It's just the sqrt of 121 multiplied by i.
since i = √-1

Answer 4

ok an help with the second attached file i think its the 3rd choice @ganeshie8 @shamil98

Answer 5

Find the highest factor of 48 that can be squared...
√ 48 = √ 16 times √3

Answer 6

So what is √48 then?..
you figure the square root first then multiply it by i , basically.

Answer 7

Thank you so much @shamil98 I was right. And thank you @ganeshie8

Answer 8

np :)