6
6
6
6
6
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
=
61
25
1 36
−
 = 6
11
© NCERT
not to be republished
 582
MATHEMATICS
P(B wins) = 1 – P (A wins) = 
6
 1 11 115
 
Remark If a + ar + ar2 + + arn–1 + , where |r| < 1, then sum of this infinite G P