lpsneed
lpsneed
28-09-2014
Mathematics
Answered
how would I solve (-2-2i)(-4-3i)(7+8i)
Answer :
mariamikayla
mariamikayla
28-09-2014
[tex](-2-2i)(-4-3i)(7+8i)= \\\\ =(8+6i+8i+6i^2)(7+8i)=\\\\ =(6i^2+14i+8)(7+8i)= \\\\ =42i^2+98i+56+48i^3+112^2+64i= \\\\ =\boxed{48i^3+154i^2+162i+56}[/tex]
Answer Link
konrad509
konrad509
28-09-2014
[tex](-2-2i)(-4-3i)(7+8i)=\\ (-2-2i)(-28-32i-21i+24)=\\ (-2-2i)(-4-53i)=\\ 8+106i+8i-106=\\ -98+114i [/tex]
Answer Link
VIEW ALL ANSWERS ( 76+ )
Other Questions
Which 5.0-milliliter sample of NH3 will take the shape of and completely fill a closed 100.0-milliliter container?(1) NH3(s) (3) NH3(g)(2) NH3(ℓ) (4)NH3(aq)
Which compound is a member of the same homologous series as C3H8? (1) CH4 (3) C5H8 (2) C4H8 (4) C6H10
a car rent is $220 per week plus $0.25 per mile. Find the rental cost for a two week trip of 500 miles for a group of three people.
The total mass of the protons in an atom of gold-198 is approximately (1) 79 atomic mass units (2) 119 atomic mass units (3) 198 atomic mass units (4) 277 atomi
Which condition causes ocean salinity to increase? A. river water flowing out into the ocean B. high levels of precipitation C. high levels of evaporation
In addition to access to markets and natural resources, another reason for Europe's interest in dominating Africa and Asia was to __________.
The compounds C2H4 and C4H8 have the same (1) freezing point at standard pressure (2) boiling point at standard pressure (3) molecular formula (4) empirical for
What Happens When Milk Is Left At Room Temperature During Summer Days?
A 1.0-gram strip of zinc is reacted with hydrochloric acid in a test tube. The unbalanced equation below represents the reaction. Zn(s) + HCl(aq) ==>H2(g) +
what is the name of the process where animal cells break down sugar?
