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Mathematics
Mathematics
Problem
Solve
1
(
a
+
b
+
x
)
=
1
a
+
1
b
+
1
x
\frac{1}{(a+b+x)} = \frac{1}{a} + \frac{1}{b} + \frac{1}{x}
(
a
+
b
+
x
)
1
=
a
1
+
b
1
+
x
1
,
a
+
b
≠
0
a+b \neq 0
a
+
b
=
0
.
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