Imaginary roots of negative numbers | Imaginary and complex numbers | Precalculus | Khan Academy Published 2011-07-12 Download video MP4 360p Download video MP4 720p Recommendations 06:21 Calculating i raised to arbitrary exponents | Precalculus | Khan Academy 11:09 The Square Root Of Negative One 17:54 LCM & HCF - All methods in one video 06:45 i as the principal root of -1 (a little technical) | Precalculus | Khan Academy 06:29 Simplifying Negative Square Roots Using Imaginary Numbers i 04:44 Introduction to complex numbers | Imaginary and complex numbers | Precalculus | Khan Academy 23:29 How Imaginary Numbers Were Invented 09:02 Imaginary Numbers Are Just Regular Numbers 09:46 Square root in 3 seconds - math trick 10:19 Square roots and real numbers | Pre-Algebra | Khan Academy 09:02 sqrt(i) 10:46 How To Simplify Square Roots 05:47 Imaginary Numbers Are Real [Part 1: Introduction] 03:03 Why is it called a SQUARE root? 38:00 10 - What are Imaginary Numbers? 06:24 Powers of complex numbers | Imaginary and complex numbers | Precalculus | Khan Academy 07:31 Expressing Square Roots of Negative Numbers with i 12:44 Complex numbers : Finding Square roots of : ExamSolutions 05:54 Are Imaginary Numbers Real? Similar videos 05:20 Introduction to i and imaginary numbers | Imaginary and complex numbers | Precalculus | Khan Academy 11:53 Exponential form to find complex roots | Imaginary and complex numbers | Precalculus | Khan Academy 08:04 Complex conjugates | Imaginary and complex numbers | Precalculus | Khan Academy 09:18 i and Imaginary numbers 03:51 Subtracting complex numbers | Imaginary and complex numbers | Precalculus | Khan Academy 03:33 Absolute value of a complex number | Imaginary and complex numbers | Precalculus | Khan Academy 04:18 Cube root of a negative number (example) | Pre-Algebra | Khan Academy 06:10 Midpoint and distance on complex plane | Imaginary and complex numbers | Precalculus | Khan Academy 05:32 Multiplying complex numbers | Imaginary and complex numbers | Precalculus | Khan Academy 04:39 Introduction to complex numbers | Imaginary and complex numbers | Algebra II | Khan Academy 04:58 Dividing complex numbers | Imaginary and complex numbers | Precalculus | Khan Academy 04:04 01 The imaginary unit i 03 Imaginary roots of negative numbers 04:01 Complex conjugates example | Imaginary and complex numbers | Precalculus | Khan Academy 07:21 IIT JEE complex numbers (part 1) | Imaginary and complex numbers | Precalculus | Khan Academy 05:04 Khan Academy Tutorial: simplifying roots of negative numbers More results