30 Videos for "complex roots"

Finding the Roots of a Complex Number  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to use DeMoivre's Theorem to compute the cube roots of a complex number. 
More Roots of Complex Numbers  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find the nth roots of unity. 
Finding the Roots of a Complex Number  Problem 1
Math › Precalculus › Polar Coordinates and Complex Numbers
How to use DeMoivre's Theorem to compute the fourth roots of a complex number, 16 and 16. 
Finding the Roots of a Complex Number  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to use DeMoivre's Theorem to compute the square roots of i. 
Finding the Roots of a Complex Number  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to use DeMoivre's Theorem and the halfangle formulas to compute the cube roots of a complex number, 7+24*i. 
More Roots of Complex Numbers  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to use four guidelines to find the fifth roots of a complex number. 
More Roots of Complex Numbers  Problem 1
Math › Precalculus › Polar Coordinates and Complex Numbers
How to use four guidelines to find the sixth roots of a complex number, and how to identify the geometric properties of the roots. 
More Roots of Complex Numbers  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find the roots of a complex number quickly using four simple guidelines. 
Multiplying Complex Numbers  Problem 1
Math › Algebra 2 › Roots and Radicals
How to multiply an imaginary number by a complex number. 
Multiplying Complex Numbers  Problem 2
Math › Algebra 2 › Roots and Radicals
How to multiply two complex numbers. 
Dividing Complex Numbers  Problem 2
Math › Algebra 2 › Roots and Radicals
How to rationalize the denominator when dealing with a complex number. 
Adding and Subtracting Complex Numbers  Concept
Math › Algebra 2 › Roots and Radicals
How to add and subtract complex numbers. 
Adding and Subtracting Complex Numbers  Problem 1
Math › Algebra 2 › Roots and Radicals
How to add and subtract complex numbers. 
Converting Complex Numbers From Trigonometric Form to Rectangular  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to convert a complex number, z = 5*root(2)*(cos(7*pi/4) + i*sin(7*pi/4)), from trigonometric form to rectangular form. 
Dividing Complex Numbers  Problem 4
Math › Algebra 2 › Roots and Radicals
How to simplify radical quotients with a negative root in the denominator. 
Dividing Complex Numbers  Problem 6
Math › Algebra 2 › Roots and Radicals
How to divide complex numbers. 
Multiplying Complex Numbers  Problem 4
Math › Algebra 2 › Roots and Radicals
How to multiply complex binomials. 
Dividing Complex Numbers  Problem 5
Math › Algebra 2 › Roots and Radicals
Dividing complex numbers where the denominator contains an imaginary number. 
Dividing Complex Numbers  Problem 7
Math › Algebra 2 › Roots and Radicals
Rationalizing denominators where there is a root of a negative number, meaning we'll likely have an imaginary result. 
Dividing Complex Numbers  Concept
Math › Algebra 2 › Roots and Radicals
How to rationalize the denominator when dealing with an imaginary number.