Question

Help me solve this question fast ​

Answer 1

This is a geometric series with first term 1/4 and common ratio 1/4. So the sum of this series is:

`( (1)/(4) )/(1 - (1)/(4) ) = (1)/(4) / (3)/(4) = (1)/(4) * (4)/(3) = (1)/(3)`