moriahsapphireblue76 moriahsapphireblue76

03-12-2018
Mathematics

contestada

Which pair of complex factors results in a real number product? 15(–15i) 3i(1 – 3i) (8 + 20i)(–8 – 20i) (4 + 7i)(4 – 7i)

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

03-12-2018

Answer:

(4 + 7i)(4 – 7i)

Step-by-step explanation:

This pair will produce a real answer because they are complex conjugates.

Complex conjugates ( a+bi) (a-bi) when multiplied together form a real number ( a^2 + b^2)

Answer Link

aasianai812 aasianai812

26-04-2020

Answer:

D. (4+7i)(4-7i)

Step-by-step explanation:

Answer Link

Otras preguntas

find the slope of the line having equation 4x- 3y= 13

The nation-state concept originated in which of the following countries? A. France B. United States C. Japan D. England

write each fraction as a unit fraction 12/84 13/143 23/138

How was England's hold on the colonies weakened between 1700 and 1775? What role did colonial assemblies play in this weakening?

how did the mediterranean climate influence culture in the region

Which statement is true for all minerals? A.They have a crystalline structure. B.They contain useful metals. C.They are made of silicon and oxygen. D.They are t

Which statement is true for all minerals? A.They have a crystalline structure. B.They contain useful metals. C.They are made of silicon and oxygen. D.They are t

The______(1)_______ were skillful artisans with ceramics. They developed their own form ofceramics known as ______(2)_______ over 10,000 years ago. a. (1) Chine

name the process by which co2 and water moves in and out of the cells PLEASE ANSWER

what is the importance of prehistory