p18johnsonj p18johnsonj
  • 15-03-2018
  • Mathematics
contestada

What is the standard form of (1 + 7i)(3 − i)?

Respuesta :

evgeniylevi
evgeniylevi evgeniylevi
  • 15-03-2018
Consider this option:
1. if the standard form is z=x+iy, then
2. (1+7i)(3-i)=1*3-1*i+21i-7i*i=3-i+21i+7=10+20i

answer: 10+20i
Answer Link

Otras preguntas

Michelle had a birthday party. She bought a bag of candy with 96 Starbursts, 72 Hershey’s, and 68 Reese’s. If she wants to make goodie bags with the same amount
what are two differences you see when comparing the four chambers of the heart? relate these differences to the function of each chamber.
signs that you are pregnant
chronic respiratory disease
what is the importance of education
A gyre is a set of currents that form
Michelle had a birthday party. She bought a bag of candy with 96 Starbursts, 72 Hershey’s, and 68 Reese’s. If she wants to make goodie bags with the same amount
what flavor is red velvet cake?
About 60.7% of eligible voters voted in the election. What decimal is equivalent to 60.7%?
what is implied if a firm is losing money?