Register
Let r= (4+i) and s= 1-i. What is the value of r2-s?
122k views
3 votes
Let r= (4+i) and s= 1-i. What is the value of r2-s?

User Andrei Sosnin
by
3.2k points

1 Answer

5 votes

Answer:

r^2 - s = 14 + 9i

Explanation:

r^2 = 4^2 + 8i + i^2

r^2 = 16 + 8i - 1

r^2 = 15 + 8i

r^2 - s = 15 + 8i - (1 - i)

r^2 - s = 15 + 8i - 1 + i

r^2 - s = 14 + 9i

User Nocabt
by
2.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.4m questions

4.3m answers

Other Questions

A study was completed in Florida. In southern Florida, the study involved 3,000 patients; 54% of them experienced flulike symptoms during the same month. The study had a margin of error of 1.8%. What does
The sanchez family goes out for dinner, and the price of the meals is $60. The sales tax on the Meals is 7 percent, and they also want to leave a 15 percent tip. What is the total cost of the meal? Analyze
Simplify: 10 ÷ [(5 + 2) − 5]
WHAT IS 33 TIMES 5 TELL ME THE ANWER
At the beginning of a population study, a city had 240,000 people. Each year since, the population has grown by 9.7%. Lett be the number of years since start of the study. Let y be the city's population.
Link Copied!