What is the sum of the infinite geometric series?
−5+ 2 −4/5 + 8/ 25− 16/125...
Enter your answer in the box. Enter any fraction as a simplified fraction.
Common ratio = 2/-5 = -2/5
Sum = first term / ( 1 - common ratio ) =
-5 / ( 1 - - 2/5) =
-5/ ( 7/5) =
(-5) 5/7 =
-25/7
