math game everyone puts a problem that is really hard and tries to solve the other problems

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Toad1258
what is 1/3 + 1/9 + 1/27 +1/81 + ...
Toad1258

anyone?

ActivatePlan357

f(x) = 1/3(x)

AussieMatey

1/3 + 1/9 + 1/27 + 1/81 = 40/81.

ActivatePlan357

Almost, the ... indicates that it is a summation.

ActivatePlan357

Mine is incorrect as well. But did I post the incorrect answer intentionally or am I just bad at math...either is fine 🙂

ActivatePlan357

If it makes you think, then it is a win

ActivatePlan357

If the sequence was 1/3, 1/9, 1/27,... then it would be a geometric sequence and the function would be (1/3)^x

wutmidoin
The infinite sum approaches 1/2 as x approaches infinity.
EternalCero

answer= 69

Fisikhad
The answer to 1/3+1/9+1/27+1/81 is 1/2.