+0

# Find value of b

+1
173
2
+588

Find the value of b given that:

\[ \dfrac b 7 + \dfrac {b^2}{7^2} + \dfrac {b^3}{7^3} + \cdots = 7.\]

May 21, 2022

#1
0

Using geometric series, b = 32/7.

May 21, 2022
#2
+588
0

How did you get this. Show you work

May 21, 2022