Скачать или смотреть COMPLEX NUMBERS: express the answers in form 𝑎 +b𝑖?

In this video, we dive into Complex Numbers and focus on solving questions step by step to help you fully understand the topic.

If you struggle with imaginary numbers or operations involving
𝑖
i, this lesson will make everything simple and clear!

🔹 What is covered in this video:
✔ Definition of complex numbers
✔ The imaginary unit
𝑖
i, where
𝑖
2
=
−
1
i
2
=−1
✔ Writing numbers in the form
𝑎
+
𝑏
𝑖
a+bi
✔ Identifying real and imaginary parts
✔ Addition and subtraction of complex numbers
✔ Multiplication of complex numbers
✔ Division using conjugates
✔ Simplifying powers of
𝑖
i
✔ Solving equations involving complex numbers

📌 Example questions solved in this video:

Simplify
(
3
+
2
𝑖
)
+
(
5
−
4
𝑖
)
(3+2i)+(5−4i)

Multiply
(
2
+
3
𝑖
)
(
1
−
2
𝑖
)
(2+3i)(1−2i)

Simplify
4
+
3
𝑖
2
−
𝑖
2−i
4+3i
​