Ask
your own question, for FREE!

Mathematics

OpenStudy (anonymous):

√-49 ________________ (7 - 2i)-(4 + 9i)

6 years ago
jhonyy9 (jhonyy9):

do you know what is sqrt(-1) ?

6 years ago
jhonyy9 (jhonyy9):

can you calcule with complex numbers ?

6 years ago
OpenStudy (anonymous):

I just figured it out lol

6 years ago
jhonyy9 (jhonyy9):

add the same terms like 7-4 and -2i-9i

6 years ago
jhonyy9 (jhonyy9):

so and do you know the right answer ?

6 years ago
OpenStudy (anonymous):

yes

6 years ago
jhonyy9 (jhonyy9):

how many is i^2 = ?

6 years ago
jhonyy9 (jhonyy9):

so in numerator will have -7 right ?

6 years ago
jhonyy9 (jhonyy9):

not is the right numerator is 7i

6 years ago
jhonyy9 (jhonyy9):

7i ------ 3-11i

6 years ago
Can't find your answer?
Make a FREE account and ask your own question, OR you can help others and earn volunteer hours!

Latest Questions

108855kr:
Mandy is going to a four-year university and is completing classes. When she graduates, she is planning on starting a job in the Energy career cluster.

2 hours ago
0 Replies
0 Medals

Lexiecaudill23:
Which theme from the Gettysburg address is developed in these lines from the spee

8 hours ago
2 Replies
2 Medals

jafri65:
) If a 2.893 gram sample of an unknown containing iron requires 28.45 mL of the permanganate solution described in the previous question to reach the endpoi

10 hours ago
0 Replies
0 Medals

laila674:
You promised _____ (noun clause) The man _____ was taken to be fingerprinted. (adjective clause) The game _____ was exciting.

10 hours ago
1 Reply
0 Medals

slipknot3066:
Find the equation of a line, in slope-intercept form of a line that passes through the point (9, 2) and is perpendicular to the line 2x - y = 8.

4 hours ago
4 Replies
1 Medal

laila674:
Have you seen my textbook, Rafael? The main clause is _____.

11 hours ago
7 Replies
4 Medals

Isabella01:
The histogram below shows information about the hours students spent exercising i

12 hours ago
0 Replies
0 Medals