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Mathematics
Mathematics
Problem
13. If
y
=
3
cos
(
log
x
)
+
4
sin
(
log
x
)
y=3 \cos (\log x)+4 \sin (\log x)
y
=
3
cos
(
lo
g
x
)
+
4
sin
(
lo
g
x
)
, show that
x
2
y
2
+
x
y
1
+
y
=
0
x^{2} y_{2}+x y_{1}+y=0
x
2
y
2
+
x
y
1
+
y
=
0
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