Once upon a time there was a kid called Alex, little Alex was a Math geek. Since he entered school he also showed some passion towards mathematics. Alex was the best student in his math class. The teacher was very proud of him!

One day Alex was so ahead of his class that his teacher decided to let him choose a topic that he could teach himself at home! He was so excited about it that he told his teacher that he wanted to learn about complex numbers.

Alex learned that a complex number is a quantity of the form a + bi, where v and w are real numbers, and i represents the unit imaginary numbers equal to the positive square root of -1.

Alex now has decided to solve some mathematical problems where a radical has a negative integer.