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2.7.2
Examples
2.7.2.1
Example 1
\(y^{\prime \prime }+xy^{\prime }+y=2x+x^{2}+x^{4}\)
2.7.2.2
Example 2
\(\frac {1}{x^{5}}y^{\prime \prime }+y^{\prime }+y=0\)
2.7.2.3
Example 3
\(\frac {1}{x^{2}}y^{\prime \prime }+y^{\prime }+y=\sin x\)
2.7.2.4
Example 4.
\(y^{\prime \prime }=\frac {1}{x}\)
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