meowymeowylee
meowymeowylee meowymeowylee
  • 21-03-2018
  • Mathematics
contestada

write the given expression in terms of i : √-245

a) -245 i

b) -7 i √5

c) i √-245

d) 7 i √5

Respuesta :

AllanMathias
AllanMathias AllanMathias
  • 24-03-2018
Okay, so first things first:
i = [tex] \sqrt{-1} [/tex]
That said, no answer that has -245 is correct.

Now we just need to solve [tex] \sqrt{245} [/tex]
245/5=5*49
[tex] \sqrt{5} * \sqrt{49} = 7i*\sqrt{5}[/tex]
So, that's your answer, option D.

Answer Link

Otras preguntas

the history of the egyptain empire was divided into ___ stage?
What fraction when multiplied by 3 1/7 gives us 1 1/21
A(n) __________ is a coil of wire that produces a magnetic field when it carries an electric current
"field notes generally use what as a means of jogging the researcher's memory?"
identify the appositive phrase I turn the minutes over to gradley the new secretary of the club
Andrew is 3 times his son’s age. 10 years ago, he was 5 times his son’s age. What are their present ages? Show your work.
The answer to the problem (6 + 7) - (8 +2) is called a
Hey y'all mind helping me with this geometry problem, I would really appreciate it :)
what medicine was found to be both harmful and beneficial to Europeans due to its help against malaria?
In the Mediterranean, on what is subsistence agriculture based?