Tutorial - How to simplify the square root of a negative square number using imaginary unit i ex 8

The video tutorial explains how to simplify an expression involving a negative square root. It begins by addressing the concept of negative square roots and introduces the imaginary unit 'i'. The instructor then demonstrates how to rewrite the expression using the rules of roots, focusing on calculating the square root of 36. The tutorial concludes with the final simplified expression, emphasizing the process of handling negative square roots in the context of real and imaginary numbers.

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