Find the number of solutions to the equation
1/a+1/b+1/c+1/d=1
where a, b, c, d are positive integers and a≤b≤c≤d.
1/a+1/b+1/c+1/d=1
where a, b, c, d are positive integers and a≤b≤c≤d.
1 answer
0 answers
1 answer
1 answer