Question

1/81 , 1/54 , 1/36 , 1/24 , ?


Pls help me to solve this...

Answer 1

U(n) = 2^(- n) * 3^(n - 4)

U(0) = 2^(- 0) * 3^(0 - 4) =

1 * 1 /(3^4) =

1 /81

U (1) = 2^(- 1) * 3^(1 - 4) =

1/2 * 1 / 3^3 =

1/2 * 1/27 =

1/54

U (2) = 2^( - 2) * 3^(2 - 4) =

1/4 * 1/3^2 =

1/4 * 1/9 =

1/36

U (3) = 2^(- 3) * 3^(3 - 4) =

1/8 * 1/3 =

1/24

U (4) = 2^(- 4) * 3^(4 - 4) =

1 / 2^4 * 3^0 =

1/16

U (5) = 2^(- 5) * 3^(5 - 4) =

1/32 * 3 =

3/32

And so on .......

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Answer 2

Answer:

3/32 is the correct answer