raffinhagostosinha raffinhagostosinha
  • 17-11-2019
  • Mathematics
contestada

Calcule as seguintes multiplicações:

A) (6+4i) (2+3i) =
B) (5+6i) (5+6i) =
C) (7+8i)²

Respuesta :

zrh2sfo
zrh2sfo zrh2sfo
  • 17-11-2019

Answer:

(6+4i) (2+3i) = 26 i

(5+6i) (5+6i) = -11 + 60 i

(7+8i)² = -15 + 112 i

Step-by-step explanation:

Answer Link

Otras preguntas

a pair of shoes with cost rupees 320 was sold at a loss of 5% what was the selling price if it is sold at profit of 20% find the gain percent if it were sold fo
If the microvilli in the proximal tubule were to decrease in number... A- urine production would increase. B- the greater amount of microvilli would be found in
In the Lotka-Volterra predator-prey model dx/dt=-ax+bxy,dy/dt=ey-cxy, where x(t) is the predator population and y(t) is the prey population, the coefficient c r
Abey​ Kuruvilla, of Parkside​ Plumbing, uses 1,220 of a certain spare part that costs ​$26 for each​ order, with an annual holding cost of ​$25. ​a) Calculate t
Need Help asap!! There are 3,500 pounds of salt, how many tons on salt are there? 1 2/3T 1 3/4T 2T
"The Carla Vista Boat Company's bank statement for the month of November showed a balance per bank of $8,500. The company's Cash account in the general ledger h
What is the effect of the repetition of your"?
what was one result of the Navigation Acts​
The margin of error of a confidence interval is the error from using volunteer sampling methods. True or False
American Airlines had a flight going out later that day. They charge $53 dollars for each first class ticket, and $21 dollars for each coach ticket. There were