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

Sheela wants to make a computer model of a land ecosystem. Part of her model simulates the chemical processes of photosynthesis that involve the release of oxyg

3(2y+8)=60 solve for y

Changes in the trilobite exoskeleton can be attributed to ____..

How is the legislative branch setup?

what is a procedure that tests a hypothesis by collecting information under controlled conditions

how to figure how many hundreds there are in 150,000

**PLEASE HELP ME ASAP** 1. Akira earns $8 each day she cares for her neighbor's dog. Write an equation to represent the relationship between the amount of money

Hot dogs at a carnival cost $2.99 each plus 7% tax. What is the total cost for one hotdog?

In the ocean, there are areas where there are very few living things. ____________ is the term that describes when this happens to a natural area.

How many grams of copper will be produced if 1.00 mole of Copper(Ii) oxide reacts in excess hydrogen gas? CuO + H2 = Cu +H2O