marierose3210 marierose3210

08-01-2017
Mathematics

contestada

What is the simplified answer of (4-i)(6-5i)?

Respuesta :

olemakpadu olemakpadu

08-01-2017

(4 - i)(6 - 5i)

4(6 - 5i) - i(6 - 5i)

4*6 - 4*5i - i*6 - i*(-5i)

24 - 20i - 6i + 5i²

24 - 26i + 5i²

But i² = -1

24 - 26i + 5i²

24 - 26i + 5(-1)

24 - 26i - 5

24 -5 -26i

19 - 26i

Hope this helps.

Answer Link

Otras preguntas

briefly define protein complimentarity

The Sumerians are the earliest known inventors of ___________.

When the Hebrews first settled in their land, they called the country Israel. What caused it to be renamed Palestine? A.The Jews renamed it after uniting Israel

PLEASE HELP I GIVE THANKS

Can someone help me write an equation in slope intercept form and then find the slope and Y intercepts for 3x-9y=27. (Only comment if you know the right answer)

PLEASE HELP I GIVE THANKS

If cosA = 15/17 and CotB =24/7, find sin (A-B)

Solve the system of equations using substitution. y = 4x + 6 y = 2x a. (6, 3) b. (-3, -6) c. (3, 6) d. (1, 2)

what is the easiest way to go this math problem 8tr+10t +14t + 13

During colonial times, a system of international interdependence developed between the American colonies and Europe. Which of the following correctly illustrate