1/8+1/8^2+1/8^3+1/8^4+1/8^5
any short cut method please..
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gp formula sum=a+(r-1)^n/r-1
sathwika5574:
a is 1/8,r is 5
here
n ?
sorry n is 5. and r is too 1/8
sorry
the formula is ax not a+
thank you sathwika5574
it's my pleasure
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