+0  
 
+2
172
3
avatar+374 

https://vle.mathswatch.co.uk/images/questions/question15793.png

 

smileysmileysmiley

qualitystreet  Feb 13, 2018

Best Answer 

 #1
avatar+549 
+3

n+(n+1)+(n+2)+(n+3)=4n+6

4n+6=2(2n+3)

this is a multiple of two so therefore must be even

 

 

winkwinkwink

lynx7  Feb 13, 2018
 #1
avatar+549 
+3
Best Answer

n+(n+1)+(n+2)+(n+3)=4n+6

4n+6=2(2n+3)

this is a multiple of two so therefore must be even

 

 

winkwinkwink

lynx7  Feb 13, 2018
 #2
avatar+92872 
+1

Nice job, lynx  !!!

 

 

cool cool cool

CPhill  Feb 13, 2018
 #3
avatar+374 
+1

Thanks for helping.

 

smileysmileysmiley

qualitystreet  Feb 14, 2018

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