Operations on Complex Numbers

Welcome to the "Operations on Complex Numbers" category on Questions LLC! This category is dedicated to providing a platform for users to ask and answer questions specifically related to the intricate field of operations on complex numbers. Complex numbers, consisting of both real and imaginary components, play a crucial role in various areas of mathematics, physics, and engineering. Whether you are seeking clarification on fundamental concepts, exploring advanced techniques, or simply looking to expand your knowledge, this category aims to facilitate insightful discussions and foster a collaborative learning environment. Join us in unraveling the mysteries of complex numbers and exploring the fascinating world of their operations!

Questions (18)

How is the product of a complex number and a real number represented on the coordinate plane?A)When 3 + 2i is multiplied by 3,
1. 3 answers
2. asked by Mma
3. 2,316 views
(3-4yi)(6+7i)-[(2-3yi)-3(1+7i)]Express it in a+bi form I got 19+42i-21yi+28y but I do not know how to express it in a+bi form,
1. 1 answer
2. asked by Kris
3. 403 views
Write (21 − 4i) − (16 + 7i) + 28i as a complex number in standard form.
1. 2 answers
2. asked by david
3. 600 views
Help?I Kind of understand this , but still I am stuck. 1. (2+4i)/3-i 2. 3√-50 + -72 3.(-4+√-15)^2 4.-4+√-20
1. 4 answers
2. asked by Unknown.
3. 319 views
Let cis Θ = cos Θ + i sin Θ. Let z1 = 3 cis 25 and let z2 = 4 cis 115Find z2^6
1. 1 answer
2. asked by Peter
3. 436 views
Assume that no denominator equals 0.2+i/1-3i = 2+i/1-3i = (2+i/1-3i) * (1+3i/1+3i) = (2+3i^2)/(1-9i^2) = (2/1) - (1/3i) =
1. 1 answer
2. asked by Jon
3. 321 views
Given that z1=3+2i and z2=4+3i then z1- z2.Question 2 Select one: 1-i -1 -1-i i
1. 1 answer
2. asked by LørdySmårt1SS
3. 16 views
For z1 = 4cis (7pi/6) and z2 = 3cis(pi/3), find z1 * z2 in rectangular form.
1. 3 answers
2. asked by Anonymous
3. 1,118 views
Use the properties of complex numbers to simplify (−49−−−−√+5i) + (8−−4−−−√) (1 point)8 +5i
1. 1 answer
2. asked anonymously
3. 36 views
2π is the "real part" of the complex number 2π+8i (1 point) Responses True True False
1. 1 answer
2. asked anonymously
3. 32 views
Calculate and write result in a+bi form.5+10i/3-4i
1. 2 answers
2. asked by Mary
3. 927 views
Let U=(13i3−i). What is U†?Explicitly indicate multiplication with a * symbol. For instance, you should write 3*i+2 instead
1. 1 answer
2. asked by unknown
3. 788 views
5/4-3i
1. 2 answers
2. asked by bee
3. 641 views
simplify (1+3i)(1-5i)
1. 2 answers
2. asked by devon
3. 636 views
Find the following product -5(cos pi/3 +isinpi/3)*2(cos pi/6+ isin pi/6'I got 10i. is this correct?
1. 3 answers
2. asked by Anonymous
3. 481 views
write the expression as a complex number in standard form1+2i ----- 3-8i
1. 3 answers
2. asked by princess
3. 456 views
Perform the indicated operations on the complex numbers:(9-2i)(-1+3i)
1. 3 answers
2. asked by Nikko
3. 437 views
Simplify:left-parenthesis 2 plus 3 i right-parenthesis left-parenthesis 4 minus i right-parenthesis
1. 1 answer
2. asked by Lettuce?
3. 10 views