Register

(−5 + 3i) ⋅ (1 − 2i)

(−5 + 3i) ⋅ (1 − 2i)
asked 88.7k views
3 votes
(−5 + 3i) ⋅ (1 − 2i)

asked
User Sloan
by
7.4k points

2 Answers

3 votes
you would FOIL it (first, outer, inner, last)
(-5+3i)(1-2i)
-5+10i+3i+6i^2
add like terms
-5+13i-6i^2
then put in order
-6i^2+13i-5
answered
User Nikola Jankovic
by
7.5k points
1 vote

Answer:


- 1

Explanation:


(-5 + 3i) * (1 - 2i) \\ ( - 5 + 6) * (1 - 2) \\ ( 1) * ( - 1) \\ = - 1

answered
User Brian Hicks
by
7.4k points
← Prev Question Next Question →

Related questions

User JimS
asked Jan 10, 2024 70.4k views
Three vectors are given by a = 6i+2j-4k, b=-2i-j+k, c=3i+2j+2k. a) a ⋅ (b × c) b) a ⋅ (b + c) c) a × (b + c)
JimS asked Jan 10, 2024
by JimS
8.4k points
1 answer
3 votes
70.4k views
User Vojtiik
asked May 13, 2021 95.3k views
Simplify (−3 + 2i) ⋅ (2 + i) (2 points) a −8 + i b −6 + 3i c −3 + 4i d −1 + 2i
Vojtiik asked May 13, 2021
by Vojtiik
7.0k points
1 answer
1 vote
95.3k views
Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Link Copied!