kristagato1018 kristagato1018

02-10-2016
Mathematics

contestada

Find the product of the complex number and it's conjugate.

9-5i

Respuesta :

Patronus1619 Patronus1619

02-10-2016

conjugate of 9-5i is 9+5i
product of those two: (9-5i)*(9+5i) = [tex] 9^{2} - (5i)^{2} =81-25* i^{2} =81-25*(-1)=81+25=106[/tex]

Answer Link

Otras preguntas

PLEASE SOMEONE WHO KNOWS SPANISH HELP

why do chromosomes move to the middle of cell during cell division

1. (5 points) At 6pm, ghost A is 5 kilometers due west of ghost B. Ghost A is flying west at 15 km/hr and ghost B is flying north at 20 km/hr. How fast is the d

Which of the following best describes an aspect of healthy relationships A. Emotional distress B. Mental and physical stressors C. Nurturing behaviors D. Commun

prima number example

7.87 repeating as a decimal PLEASE HELP!!

Price causes changes in demand the curve. Other factors in the change in demand cause a — of the curve to the left or the right

Explain and give specific examples of how you spend your time each day.

What's the solution 2xy - 4x + 3x; Given that x = -3 and y = 5

Moses is solving the problem below.A box of spaghetti at the grocery store is purchased for $1.60 wholesale and is marked up by 60 percent. Then, the store mark