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Addition | Maths Concept For Kids | Maths Grade 5 | Periwinkle
By Lumos Learning
Addition | Maths Concept For Kids | Maths Grade 5 | Periwinkle
Customary Unit Conversions | MathHelp.com
By MathHelp.com
This lesson covers complex numbers. Students learn that a complex number is the sum or difference of a real number and an imaginary number and can be written in a + bi form. For example, 1 + 2i and -- 5 - i root 7 are complex numbers. Students then learn to add, subtract, multiply, and divide complex numbers that do not contain radicals, such as (5 + 3i) / (6 - 2i). To divide (5 + 3i) / (6 - 2i), the first step is to multiply both the numerator and denominator of the fraction by the conjugate of the denominator, which is (6 + 2i), then FOIL in both the numerator and denominator, and combine like terms.
16 - The Geometric Series - Definition, Meaning & Examples - Part 1
By Math and Science
Quality Math And Science Videos that feature step-by-step example problems!
