eoliveri3583 eoliveri3583

22-02-2021
Mathematics

contestada

Simplify the expression: (3 − 7i)(2 − 5i)

Respuesta :

Isabellamarin2005 Isabellamarin2005

22-02-2021

Answer:

( 3 - 7i) • ( 2 - 5i) = ( - 29 - 29i)

Step-by-step explanation:

The formula is :

(a+bi) • (x+yi) = ax+by•i^2+(ay+bx)i

and since i^2 = -1 it can be written as :

ax - by + (ay + bx) i

( 3 - 7i) • ( 2 - 5i) =

( - 29 - 29i)

Answer Link

rayleencoria rayleencoria

22-02-2021

Answer:

—29 - —29i

Step-by-step explanation:

Answer Link

Otras preguntas

al realizar una investigación sobre la preferencia que los estudiantes tienen del estudio con música ambiental ¿cual seria variable importante en la investigaci

Fourteen percent of the towns population are above the age of 65. If there are about 320 residents over the age of 65 then what is the towns population.

The Runwell Company has 8 employees. Five of the employees earn $12 an hour, two earn $9 an hour and 1 earns $11 an hour. What is the average amount per hour th

20 points for right answer

The tone of the poem is difficult for readers to determine because the feelings the words express change over the course of the poem. the linguistic style prefe

X^2 = 14 I need help answer asap

MAIN IDEA: CARBON ATOMS HAVE UNIQUE BONDING PROPERTIES. Choose whether the statement is true or false. 1. true / false Carbon atoms form the building blocks o

A line passes through point (5,4) and has a slope of 4/5. Find the equation of the line in slope-intercept form.

4. In a class of 35 students, 20 offer Physics, 18 offer Chemistry and 2 offer neither Physics nor Chemistry 1) Illustrate the information on a Venn diagram il)

physical contact and affection is less likely to be inappropriate or misinterpreted as such when the physical contact is open to observation by others.