Monday
April 21, 2014

Homework Help: math help people lik really desperate!!

Posted by annaiiz on Wednesday, April 1, 2009 at 9:56pm.

ok i have to divide complex numbers:

question is: 1-2i+i^3/1+i

this is what i did:

1-2i+i(-i)/1+i
1-2i-i^2/1+i
1-2i-i(-1)/1+i
1-2i+i/1+i
1-3i/1+i*1-i/1-i
1-i-3i+3i^2/1-i+i-i^2
1-i-3i+3(-1)/1-i^2
1-i-3i-3/1-(-1)
1-4i-3/2
-2-4i/2
my answer is -2i-1

is that right?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

check my work please! - ok i have to divide complex numbers: question is: 1-2i+i...
Algebra - I have to rationalize the denominator of 2+3i/1+2i. I multiplyed this ...
Pre-Calculus/Trig Check please and help - Could someone please check the first ...
can someone please help me? - simplify the following expressions involving ...
Advanced Algebra - I some problems that I need help with please. Add or subtact ...
Algebra 2 - Operations with Complex Numbers Simplify. 1. sqrt(-144) 2. sqrt(-64x...
Algebra2 - Simplify: 1.SquareRoot(-144) 2.SquareRoot(-64x^4) 3.SquareRoot(-13)*...
Pre-calculus - Find the first three iterates of the function f(z)=z^2+i for Zo=2...
division of complex numbers - (1-2i)/(2+3i) Do I multiply both the numerator and...
math - divide: 2+3i-3i^3/1-i 1-2i+i^3/1+i simplify i^16/i^3

Search
Members