For G.P if a=3 r=2 then S10=....
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Sn= a(r^n - 1)/(r^n + 1)
So, here , a=3, r=2, n=10,
then S10= 3 (2^10 - 1)/(2^10 + 1)
= 3(1024 - 1)/(1024+1)
= 3(1023)/1025 =2.99
So, here , a=3, r=2, n=10,
then S10= 3 (2^10 - 1)/(2^10 + 1)
= 3(1024 - 1)/(1024+1)
= 3(1023)/1025 =2.99
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