Question

find the square root of the following complex no 4-3i​

Answer 1

Answer:

what square root it is a tree nice joke

Answer 2

Answer:

hope it will help you.

Step-by-step explanation:

Let −4−3i=a+ib

−4−3i=a2−b2+2aib

a2−b2=−4,ab=2−3

ab=2−3⇒b=2a−3

a2−b2=−4⇒a2−4a29=−4

4a4−9=−16a2

4a4+16a2−9=0

4a4+18a2−2a2−9=0

2a2(2a2+9)−1(2a2+9)=0

a=±2