ih8meanpeople ih8meanpeople
  • 18-07-2018
  • Mathematics
contestada

Rationalize the denominator of square root of negative 49 over open parentheses 7 minus 2 i close parentheses minus open parentheses 4 plus 9 i.

Respuesta :

Kaylaw12340 Kaylaw12340
  • 21-07-2018

sqrt(-49) / [ (7-2i) - (4+9i) ]

= 7i / (3 - 11i)

= 7i (3+11i) / [ (3 - 11i) (3 + 11i) ]

= (21 i - 77) / (9 + 121) = choice (d), (-77 + 21i) / 130


Answer Link

Otras preguntas

Which of the following articles of clothing creates an unpleasant memory for Tim? a trousers b a hat C boots d a shirt
is the answer A or B?
The improper fraction to a mixed number
A pancake recipe takes 3 cups of flour for every 2 dozen pancakes how many cups of flour does Sally need to make 96 pancakes
Can you please help me with this?
Read the excerpt from Brown v. Board of Education. Therefore, we hold that the plaintiffs and others similarly situated for whom the actions have been brought a
The steps of a procedural text are also called the
A dog rolls over 25 times in 2 minutes. How many times can the dog roll over in 6 minutes
which type of motion occur in a lift in one wordPls answer​
List 3 values that would make this inequality true. 10≥2n 10 0 5 8 6 7 2