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

D/12 = 0.25 bbhhgshdhrjrhfbbdb

Please help! I will thank and rate the best answer. Ten points! I am stuck on this question: -2 2/3 x 6/7

Between which pair of numbers is the exact product of 379 and 8

What is the capital of Zimbabwe

what effect does observing a substances physical properties have on the substance

The sides of a square are 2^4/9 inches long. what is the area of the square? A. 2^16/81 square inches B. 4^16/81 square inches C. 2^8/9 square inches D. 4^8/

Which of the following started conflicts between Americans and the Plains Indians during the 1840s?

Sullen is to moody as monotonous is to what?* attractive drab repetitious varied

Which fraction expresses -30/54 in lowest terms? A. - 10/27 B. - 10/18 C. - 15/27 D. - 5/9

Which event in Franz Kafka’s The Metamorphosis can be considered surreal? Gregor’s father kicking out the lodgers Grete’s moving violin-playing Gregor transform