Four Fours/44/Solutions/2

Puzzle: Four Fours: $44$

Using exactly $4$ instances of the number $4$, the task is to write an expression for $44$, using whatever arithmetical operations you consider necessary.

Solution

$44 = \dfrac {4 \times \paren {4! - \sqrt 4} } {\sqrt 4}$

Sources

• 1980: Angela Dunn: Mathematical Bafflers (revised ed.) ... (previous) ... (next): $1$. Say it with Letters: Algebraic Amusements: Four Fours