3 years ago

What is the value of the product (4 – 2i)(6 + 2i)? 20 – 4i 20 + 16i 28 + 16i 28 – 4i

Mathematics

2 answers:

Darya [45]3 years ago

8 0

(4 – 2i)(6 + 2i)

FOIL

First : 4*6 =24

Outer: 4*2i = 8i

Inner: -2i* 6 = -12i

Last: -2i*2i = -4i^2 =-4(-1) =4

Add together

24+8i-12i+4

28-4i

Answer: 28-4i

Ostrovityanka [42]3 years ago

5 0

Answer:

28-4i

Step-by-step explanation:

There for the answer is D

You might be interested in

8+8-8+16= <br> BAHHAHAHAHA

Olenka [21]

Answer: 24

Step-by-step explanation: thanks

4 0

2 years ago

Prove that√P is irrational for any prime number P

Luda [366]

Answer:

Step-by-step explanation:

I’m not sure if this is super accurate, but since P is prime, the only factors it has is 1 and itself, meaning that the square root of it will be irrational

3 0

2 years ago

1. Juan bought a pair of shoes costing P923.00 and a tie costing P275.00. He gave the seller P2, 000.00. How much change did he

EleoNora [17]

$2000.00-923.00-275.00=802.00$

4 0

2 years ago

Please show the workings

defon

Use ur calculator
Find the answer then round it to (3 sf)
At first the answer will be 35.69050361
Then round to 36.0
Hope this help <3
Help me and mark my answer as brainliest plz

6 0

1 year ago

PLEASE HELP! I don’t understand how to do it :(

SVEN [57.7K]

r/s ×3

calculate the product

r×3/s

use the commutative property to reorder the terms

Answer : 3r/s

PLEASE MARK ME AS BRAINLIEST

3 0

2 years ago

Read 2 more answers