moimisnieSma4s moimisnieSma4s

21-11-2016
Mathematics

contestada

conjugate of 8+4i ...?

Respuesta :

21-11-2016

8 + 4i × 8 - 4i / 8 - 4i
64 - 16i^2 / 8 - 4i
64 - 16 ( - 1 ) / 8 - 4i
64 + 16 / 8 - 4i
80 / 8 - 4i
10 - 20i

Answer Link

scme1702 scme1702

22-11-2016

The conjugate of any complex number in the form
α + βi
is
α - βi
So the conjugate of
8 + 4i
is
8 - 4i

Answer Link

Otras preguntas

which of the following group of colours receole? warm colours, cool colours, primary colours, natural colours

PLEASE HELP ILL REPORT SCAMS OR LINKS

Explain one advantage and one disadvantage of the biomedical model of health in bringing about improvements in health status in relation to cardiovascular disea

Which two compounds of oxygen are small molecules? Explain why metals conduct electricity. Refer to structure and bonding in your answer

Can you guys help me solve this

A student mixes 50.0 mL of 1.00 M Ba(OH)2 with 72.8 mL of 0.375 M H2SO4. a)Calculate the mass of BaSO4 formed. b)Calculate the pH of the mixed solution.

Are these fractions equivalent or nonequivalent? 2/3 8/12

PLEASE I REALLY NEED HELP Also I dont know why it says college level

Please help me with this net ionic chem equation

Help with answer because I don’t know how to get the answer