What the mind can conceive and believe, it can achieve.– Napoleon Hill

Square root of complex numbers

 SUPPLEMENTARY EXERCISE 5.4

Find the square roots of the following:

Question 1. $$-15-8i$$

Question 2. $$-8-6i$$

Question 3. $$1-i$$

Question 4. $$-i$$

Question 5. $$i$$

Question 6. $$1+i$$