+0  
 
0
26
1
avatar+0 

PLEASE EXPLAIN

 Feb 6, 2024
 #1
avatar+129850 
+1

r =  3/-5  =  -3/5

 

Sum  =   first term  / [ 1 - r ]     =  -5 / [ 1 - -3/5 ]  =    -5 / [ 8/5 ] =  -25 / 8

 

 

cool cool cool

 Feb 7, 2024

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