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Mathematics
Mathematics
Problem
Find the values of
x
x
x
and
y
y
y
, if
2
x
+
3
y
=
9
x
y
and
4
x
+
9
y
=
21
x
y
;
x
≠
0
,
y
≠
0
\frac{2}{x} + \frac{3}{y} = \frac{9}{xy} \text{ and } \frac{4}{x} + \frac{9}{y} = \frac{21}{xy}; x \neq 0, y \neq 0
x
2
+
y
3
=
x
y
9
and
x
4
+
y
9
=
x
y
21
;
x
=
0
,
y
=
0
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