Question 25
How many ordered pairs of positive integers $(m,n)$ satisfy $f(m,n)=1992$, where
$$f(m,n)=\frac72(m+n)+\frac32|m-n|?$$
$$f(m,n)=\frac72(m+n)+\frac32|m-n|?$$
SEAMO 2027 - Paper F - SET 01 - Self-study Question 25
SEAMO · SEAMO 2027 - Paper F - SET 01 - Self-study