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# complex numbers

perform each of the following calculations involving complex numbers, and write the answer, simplified as much as possible, in the form a + bi, where a and b are real numbers. 1.  (4+2i)...

# the square root of -9

i am having alot of problems with algebra 2. I'd like help finding some of the answers because I know that no matter how I work it out I will not end up with the right answer.

# express the following complex numbers in the standard form of a complex number

u=2-3i and  v=-3+i Write the following complex numbers in the standard form of a complex number. u+v= u-v= uv= u/v= v/u= v^2= v^3= v^4= &n...

# Given 4+3i

A. Identify the complex conjugate B. Multiply the conjugate pairs & write in standard form

# How would you simplify 2/3-i?

I tried to multiply the 3-i on the top and bottom but then I get lost on what belongs on the bottom and on the top.    I thought I would have something like 6-2i/9 but that doesn't...

# Perform the operation and write all work in standard form.

2/ 1 + i + 3/ 1 - i

# Find the value of a and b if (a-2)+3bi=7+6i

This is for my math analysis class, and I can't quite figure out how to do it!

# A. 3-sqrt(-16) B. -4 C. -2i+i^2 D. (sqrt(-43)^2 E. 3i^2-5i^3

The directions say to simplify and write in standard form a+bi.

# Complex number in standard form?

Write the complex number in standard form:   the problem is actually (3-2i) to the second power: (3-2i)^2  (times) (3+2i) all over (5-i) So the question is: (3-2i)^2...

# write the complex number in standard form?

write the complex number in standard form: (3-2i)^2(3+2i)                                                              ...

# complex numbers equation derivation

How is the expansion of the square of |z1+z2| derived?

# complex number

multiply:-                (2√-3+3√-2) by (4√-3-5√-2)

# How can u subtract a variable from. A whole # and that variable?

For example x-5x would it remain 5x or just 5?

# (2+i)x+(3+2i)y=3

Find the value of X and Y

# 5x^2+7x+3=0

find the exact solutions to the quadratic equation in the complex numbers

# what is the vertex of f(x)=-3x^2+7x+12

I need to find the vertex and the x-intercepts

# using demoivre's theorem, what is the value of (8-8iv 3)^3/4

I am having trouble understanding demoivre's theorem. I am not quite grasping the concept. Please help with this homework problem.

# 4 divided by i

I need help with the problem 4/i

# calculate n plot (uv)18 if u is 2-2i and v 1-1i

calculate n plot (uv)18 if u is 2-2i and v 1-1i