Simplify each of the following and express it in the form a + ib :
Given: 
We re – write the above equation
[∵ i2 = -1]
= (3 + 4i) – (4 – 3i)
Now, we open the brackets, we get
3 + 4i – 4 + 3i
= -1 + 7i
1
Simplify each of the following and express it in the form a + ib :
Given:
We re – write the above equation
[∵ i2 = -1]
= (3 + 4i) – (4 – 3i)
Now, we open the brackets, we get
3 + 4i – 4 + 3i
= -1 + 7i