Question

Tentukan rumus Un 1/2, 1/4 , 1/6, 1/8.
Tolong bantu ,beserta cara nya ya

Answer 1

1/2 = 1/(2 + 0)
1/4 = 1/(2 + 2)
1/6 = 1/(2 + 4)
1/8 = 1/(2 + 6)
.
.
Un = 1/(2 + 2n)
n = 0,1,2,3,...