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

Charlie and Leo were playing with toy cars. Charlie said to Leo that if you give me one car, then i will have twice as many cars as you have. Leo said if charli

What is the mass of a ball rolling at 5.00m/s if it has 3.00J of kinetic energy?

In 2014, the population of China was 1.39 billion. Compare China’s 2014 population to the world population with a ratio. Write your answer as a fraction, and as

I need help on this question

Find the volume of the cylinder. Round your answer to the nearest tenth if necessary. Use 3.14 for π. A can of juice has a radius of 4 inches and a height of 7

the angles of a quadrilateral are 5x-30, 4x+60, 60-x and 3x+61.find the smallest of these angles

Which polynomial does the model represent? A black square, two white rods, three black rods, three white unit blocks and one black unit block are shown. A. –x³

which sentence most accurately describes the effects of jackson’s diction in this passage

How did the invention of the printing press make conspiracy theories more common?

If f(x)=4x and g (x)= 3x^3-6x^2+9x-3 then what is f(f(-3))?