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The ratio of the sum of n terms of 2 APs is 3n + 1 : 4n + 3 . Find the ratio of their mth terms..

 

pls explian every step of this questions solution clearly.

rosala  Nov 4, 2017
edited by rosala  Nov 4, 2017
 #1
avatar+92885 
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Hello Rosala, it is good to see you :)

 

I have played with this question for quite a while and it is driving me nuts  LOL   angry

 

 

I'd be interested to see someone else answer this or if you get an answer at college I would like to see that too :)

Melody  Nov 5, 2017
edited by Melody  Nov 5, 2017
edited by Melody  Nov 5, 2017
 #2
avatar+26814 
+1

"The ratio of the sum of n terms of 2 APs is 3n + 1 : 4n + 3 . Find the ratio of their mth terms.."

 

How about as follows:

 

.

Alan  Nov 5, 2017
 #3
avatar+92885 
+1

Thanks Alan,

Another for me to study  laugh

 

All studied.

Equating coefficients - maybe I will think of it myself next time.   Thanks once again :)

Melody  Nov 6, 2017
edited by Melody  Nov 7, 2017

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