abdulhamidaliyu34 abdulhamidaliyu34

10-06-2020
Mathematics

contestada

If \\(z_1=3+2i\\) and \\(z_2=4+3i\\) and are complex numbers, find \\(z_1z_2\\)

Respuesta :

LammettHash LammettHash

10-06-2020

[tex]z_1z_2=(3+2i)(4+3i)=3\cdot4+2i\cdot4+3\cdot3i+2i\cdot3i[/tex]

[tex]z_1z_2=12+8i+9i+6i^2[/tex]

[tex]i^2=-1[/tex], so

[tex]z_1z_2=12+8i+9i-6=\boxed{6+17i}[/tex]

Answer Link

Otras preguntas

Help me please Using table determine equation for the table

Incumbent firms prefer to focus on incremental innovations which reinforce their established organizational structure and power distribution and avoid radical i

Henry is building an in-ground pool at his house. He is doing most of the work for himself to save money. He rents a small backhoe for 95.50$ a day. If his tota

S-->SO2-->SO3-->H2SO4-->SO2-->H2SO3-->Na2SO3-->SO2--> Na2SO3-->Na2SO4-->BaSO4

giúp em tính bài này với ạ em cần gấp

1. The length of a ribbon is 5/6 meter. Shayla needs pieces measuring 1/5 meter for an art project. What is the Greatest number of pieces measuring 1/5 meter th

simpifly (4^7/5^2)^3

Recycling Four hundred empty of soft drink cans weight 18.75 pounds. A recycling center pays $.75 pounds per pound for the cans. Find the amount received for t

15. The meeting where Republicans and Democrats choose the leaders of their parties in each house of Congress is called the convention whip оооо committee Ocauc

impressionism in music is best exemplified by the works of