ImmortalsForHire ImmortalsForHire

06-01-2017
Mathematics

Answered

I need all these answered please-

1) 6i-i

2) (12+3i)-(2+6i)

3) 5i(1+2i)

4) 8+4i divided by 4

Verified Answer :

apologiabiology apologiabiology

06-01-2017

easy
pretend i is just a placeholder
but remember that i=√-1 so i²=-1
1.
6i-i=6i-1i=5i

2. (12+3i)-1(2+6i)
12+3i-2-6i
12-2+3-6i
10-3i

3.
5i(1+2i)
5i+10i²
5i+10(-1)
5i-10
-10+5i

4.
(8+4i)/4
(1/4)(8+4i)
8/2+4i/4
4+1i
4+i

Answer Link

Related Questions

What did the Hittites invent

Which line from Chaucers General Prologue to The Canterbury Tales is a reference to the feudal social structure of medieval England

Which of the following is a contemporary carpe diem saying a Live in the present b Keep your eyes on the prize c Follow your heart d Trust your instincts

if x4y then what is 2y 2x65

why was the battle of Saratoga a turning point in the war

At the beginning of the mission since our priority was to identify the origin of the aliens signal What is the most accurate way to describe the excerpt It is a

A bacteria culture is started with 100 bacteria After 8 hours the population has grown to 300 bacteria If the population grows exponentially how many bacteria

A major theme of F Scott Fitzgeralds work was the idea that the postwar world Apresented chances to become wealthy Bneeded new inventions to fix problems Cprese

What is 25 of 8

2 Which is the only crime defined in the Constitution0murderO sabotage0treasonfraud

Web Analytics