Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Nonzero real numbers
a
,
b
a, b
a
,
b
satisfy
a
b
=
a
−
b
a b=a-b
ab
=
a
−
b
. Determine the value(s) of
a
b
+
b
a
−
a
b
\frac{a}{b}+\frac{b}{a}-a b
b
a
+
a
b
−
ab
Browse the problem library