3 years ago

What is the value of the product (3 – 2i)(3 + 2i)? 5 9 + 4i 9 – 4i 13

Mathematics

2 answers:

Assoli18 [71]3 years ago

8 0

Answer:

Step-by-step explanation:

(3-2i)(3+2i)

as (a+b)(a-b) =a²-b²

3²-(2i)²

=9-(4*-1)

=9-(-4)

=9+4

=13

Hope this helps you!

goldfiish [28.3K]3 years ago

6 0

Answer:

Step-by-step explanation:

3^2=9, 2i*(-2i)=-4i^2=4

the 6i and -6i cancel leaving the positive 9 and 4

9+4=13

You might be interested in

Given h(x) = -5x + 3, find h(5).

cluponka [151]

Answer:

h(5) = -22

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Function Notation

Step-by-step explanation:

Step 1: Define

h(x) = -5x + 3

h(5) is x = 5

Step 2: Evaluate

Substitute in x [Function]: h(5) = -5(5) + 3
Multiply: h(5) = -25 + 3
Add: h(5) = -22

8 0

2 years ago

Product of (y^3 - 125) ÷ (y - 5)

Ludmilka [50]

Answer:

$y^{2}+5y+25$

Step-by-step explanation:

8 0

3 years ago

Jade had $100 yesterday. Today she earns d dollars for babysitting. She now has $148. Write an equation to match how much money

ELEN [110]

100 + 48=148 so that means she got 48 dollars for babysitting

8 0

3 years ago

Read 2 more answers

A bank uses positive numbers to represent deposits and negative numbers to represent withdrawals. How would a bank represent a d

denis-greek [22]

Answer: The correct answer is A

Step-by-step explanation:

Given that positive numbers to represent deposits and negative numbers to represent withdrawals.

Choice A is the best option which is 126.40 dollars

Since it is positive

8 0

3 years ago

Question 2 Please help. Find the arc length for the following:

harkovskaia [24]

9.4 would be your answer

4 0

3 years ago

Read 2 more answers