Loading [MathJax]/extensions/TeX/color.js
 
+0  
 
0
2
1
avatar+821 

Compute

(2 + 3i) + (2 - 3i) + (-2 + 3i) + (-2 - 3i).

 Feb 18, 2025

Best Answer 

 #1
avatar+1376 
+1

 

Compute    

(2 + 3i) + (2 - 3i) + (-2 + 3i) + (-2 - 3i).     

 

given                                                           (2 + 3i) + (2 – 3i) + (–2 + 3i) + (–2 – 3i)    

 

without the parentheses                               2 + 3i + 2 – 3i – 2 + 3i – 2 – 3i    

 

rearranged for ease of recognition             +2 +2 –2 –2   +3i +3i –3i –3i    

 

looks like everything cancels out                 zero    

.    

 Feb 18, 2025
 #1
avatar+1376 
+1
Best Answer

 

Compute    

(2 + 3i) + (2 - 3i) + (-2 + 3i) + (-2 - 3i).     

 

given                                                           (2 + 3i) + (2 – 3i) + (–2 + 3i) + (–2 – 3i)    

 

without the parentheses                               2 + 3i + 2 – 3i – 2 + 3i – 2 – 3i    

 

rearranged for ease of recognition             +2 +2 –2 –2   +3i +3i –3i –3i    

 

looks like everything cancels out                 zero    

.    

Bosco Feb 18, 2025

0 Online Users