Four Fours/41

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Puzzle

Using exactly $4$ instances of the number $4$, the task is to write an expression for $41$, using whatever arithmetical operations you consider necessary.


Solutions

Solution $1$

$41 = \dfrac {4 \times 4 + .4} {.4}$

Solution $2$

$41 = 44 - \sqrt {\dfrac 4 {. \dot 4} }$


Also see

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