Question

(_3%4)+(_4%2)_(64$4
$( - 3%4) + ( - 4%2) - (64 s4)$
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Answer 1

1/3 + 1/9 + 1/24 + 1/81 + ..........            

------------------------------------------------- =  2

1/5 + 1/25 + 1/125 + 1/625 + ...