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Verified answer
Semoga membantu yaa :)Verified answer
R = (1/x) / (x-1)/xr = 1/x X x/(x-1)
r = 1/(x-1)
syarat konvergen l r l < 1
l 1/(x-1) l < 1
l 1/(x-1) l² < 1
(x-1)² > 1
(x - 1) > 1
x > 2
x - 1 < -1
x < 0
maka x > 2 atau x < 0