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If x in{1,2,3......9} and fn(x) =x x x ....

If `x in{1,2,3......9}` and `f_n(x) =x x x ...x` (n digits ), then `f_n^2(3)+f_n(2) ` is equal to

A

`2f_(2n)(1)`

B

`f_n^2(1)`

C

`f_(2n)(1)`

D

`-f_(2n)(4)`

Text Solution

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The correct Answer is:
C
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