Question 137
a. Write $1$ as a sum of $4$ distinct unit fractions.
b. Write $1$ as a sum of $5$ distinct unit fractions.
c. Show that, for any integer $k \gt 3$, $1$ can be decomposed into $k$ unit fractions.
b. Write $1$ as a sum of $5$ distinct unit fractions.
c. Show that, for any integer $k \gt 3$, $1$ can be decomposed into $k$ unit fractions.