zusukicl zusukicl
  • 24-06-2018
  • Mathematics
contestada

How do you evaluate radical -9 [tex] \sqrt{-9} how do you evaluate it [/tex]

Respuesta :

Gοd Gοd
  • 24-06-2018
[tex]i = \sqrt{-1} \implies i^2 = -1[/tex] ...
[tex]\sqrt{-9} \implies \sqrt{(9)(-1)} \implies \sqrt{9i^2} = 3 i[/tex]
Answer Link

Otras preguntas

What can I do Promote Americanism and love our country
how are the forces observed related to the motion of the earth around the sun
What's 6.072 times 10(with the little 3 in the top)PLEASE HELP
Mr Lopez arranges 48 dry erase markers into 8 equal groups for his math station draw a tape diagram and label the number of dry erase markers
The damage caused by jack. what is the focus??
Which of these words is an antonym of friend? A. Nemesis B. Candid C. Ally D. Virulent
Who was Susan b. Anthony? A.a civil rights leader B.a candidate for governor C.a worker at the U.S. Mint D.a lawyer
m 2.8 − 4.9 = −7.11
Net realizable ballue can be defined as the?
Who negotiated a peace treaty to avoid a costly war with Britain? A) Thomas Jefferson B) Aaron Burr C) John Jay D) George Washington