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Byju's Answer
Standard XII
Mathematics
Degree of a Differential Equations
Find the degr...
Question
Find the degree of homogeneity of function
f
(
x
,
y
)
=
x
3
l
n
[
√
x
+
y
/
√
x
−
y
]
.
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Solution
f
(
x
,
y
)
=
x
3
ln
(
√
x
+
y
√
x
−
y
)
⇒
f
(
t
x
,
t
y
)
=
(
t
x
)
3
ln
(
√
t
x
+
t
y
√
t
x
−
t
y
)
=
t
3
x
3
ln
(
√
x
+
y
√
x
−
y
)
=
t
3
f
(
x
,
y
)
Hence degree is
3
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