SOLUTION: Express 8j^23 - 8(j^3)^2 in rectangular form.

Algebra.Com
Question 887044: Express 8j^23 - 8(j^3)^2 in rectangular form.
Answer by Edwin McCravy(20054)   (Show Source): You can put this solution on YOUR website!
We will use 

1. , 
2. , 
3. , 
4. , 
5. 

----------------------------------------------



          We multiply exponents



          We factor out 8



          Break odd power of j into even power times j:
          Write even power as power of jē:



          Write even power as power of jē
          Substitute -1 for jē:



          Substitute -1 for jē:
          Use 



          Use 
          Write -(-1) as +1



          Write (-1)*j as -j



          Distribute 8



          Write j-term second:



Edwin
RELATED QUESTIONS

-12j^2+7j-8j+j^2 (answered by kietra)
Find (-2i)^3 Express in rectangular... (answered by MathLover1)
Find modulus of complex number z= (((3-4j)(3j-2))/-j) i have tried... (answered by rothauserc,greenestamps)
16j^2-8j^6k^5+60j^3 (answered by tommyt3rd)
express in the form x+jy where x and y are real numbers:... (answered by Fombitz)
Find the roots and express your answer in standard/ rectangular form. 1. (-2+2i)^1/3 (answered by greenestamps)
express 2(cos300 dwgrees + i sin300 degrees) in rectangular... (answered by jim_thompson5910,jsmallt9)
The expression, {{{ (3-j)(3-2j)/(2+3j^3) }}}, in simplest rectangular form is?... (answered by Alan3354,Fombitz)
Express the displacement of Q as an equation written in Cartesian form. R(t)=12/t-2 i... (answered by ikleyn)