\[ {}25 y^{\prime \prime }-10 y^{\prime }+y = 0 \]

\[ {}16 y^{\prime \prime }-24 y^{\prime }+9 y = 0 \]

\[ {}9 y^{\prime \prime }+12 y^{\prime }+4 y = 0 \]

\[ {}y^{\prime \prime }-8 y^{\prime }+16 y = 0 \]

\[ {}y^{\prime \prime }-8 y^{\prime }+16 y = 0 \]

\[ {}y^{\prime \prime }-8 y^{\prime }+16 y = 0 \]

\[ {}4 y^{\prime \prime }+4 y^{\prime }+y = 0 \]

\[ {}4 y^{\prime \prime }+4 y^{\prime }+y = 0 \]

\[ {}4 y^{\prime \prime }+4 y^{\prime }+y = 0 \]

\[ {}y^{\prime \prime }+25 y = 0 \]

\[ {}y^{\prime \prime }+2 y^{\prime }+5 y = 0 \]

\[ {}y^{\prime \prime }-2 y^{\prime }+5 y = 0 \]

\[ {}y^{\prime \prime }-4 y^{\prime }+29 y = 0 \]

\[ {}9 y^{\prime \prime }+18 y^{\prime }+10 y = 0 \]

\[ {}4 y^{\prime \prime }+y = 0 \]

\[ {}y^{\prime \prime }+16 y = 0 \]

\[ {}y^{\prime \prime }+16 y = 0 \]

\[ {}y^{\prime \prime }+16 y = 0 \]

\[ {}y^{\prime \prime }-4 y^{\prime }+13 y = 0 \]

\[ {}y^{\prime \prime }-4 y^{\prime }+13 y = 0 \]

\[ {}y^{\prime \prime }-4 y^{\prime }+13 y = 0 \]

\[ {}y^{\prime \prime }-y^{\prime }+\left (\frac {1}{4}+4 \pi ^{2}\right ) y = 0 \]

\[ {}y^{\prime \prime }-y^{\prime }+\left (\frac {1}{4}+4 \pi ^{2}\right ) y = 0 \]

\[ {}y^{\prime \prime }+36 y = 0 \]

\[ {}y^{\prime \prime }-12 y^{\prime }+36 y = 0 \]

\[ {}y^{\prime \prime }-36 y = 0 \]

\[ {}y^{\prime \prime }-9 y^{\prime }+14 y = 0 \]

\[ {}y^{\prime \prime }+6 y^{\prime }+9 y = 0 \]

\[ {}y^{\prime \prime }+3 y = 0 \]

\[ {}y^{\prime \prime }-6 y^{\prime }+25 y = 0 \]

\[ {}y^{\prime \prime }-8 y^{\prime }+25 y = 0 \]

\[ {}y^{\prime \prime }+y^{\prime }-30 y = 0 \]

\[ {}16 y^{\prime \prime }-8 y^{\prime }+y = 0 \]

\[ {}y^{\prime \prime }+20 y^{\prime }+100 y = 0 \]

\[ {}y^{\prime \prime }-5 y^{\prime } = 0 \]

\[ {}y^{\prime \prime }-9 y = 0 \]

\[ {}y^{\prime \prime }-8 y^{\prime }+17 y = 0 \]

\[ {}y^{\prime \prime }+6 y^{\prime }+13 y = 0 \]

\[ {}y^{\prime \prime }+8 y^{\prime }+17 y = 0 \]

\[ {}y^{\prime \prime }-y^{\prime }-12 y = 0 \]

\[ {}y^{\prime \prime }+9 y^{\prime } = 0 \]

\[ {}x^{\prime \prime }+2 x^{\prime }-10 x = 0 \]

\[ {}y^{\prime \prime }-12 y^{\prime }+40 y = 0 \]

\[ {}y^{\prime \prime }-y^{\prime }-12 y = 0 \]

\[ {}y^{\prime \prime }+9 y^{\prime } = 0 \]

\[ {}16 y^{\prime \prime }+24 y^{\prime }+153 y = 0 \]

\[ {}y^{\prime \prime }+4 y^{\prime }-5 y = 0 \]

\[ {}y^{\prime \prime }-6 y^{\prime }+45 y = 0 \]

\[ {}y^{\prime \prime }-y = 0 \]

\[ {}y^{\prime \prime }+2 y^{\prime }+y = 0 \]

\[ {}y^{\prime \prime }+9 y = 0 \]

\[ {}y^{\prime \prime }-y^{\prime }-2 y = 0 \]

\[ {}y^{\prime \prime }+9 y = 0 \]

\[ {}y^{\prime \prime }+10 y^{\prime }+24 y = 0 \]

\[ {}y^{\prime \prime }+16 y = 0 \]

\[ {}y^{\prime \prime }+6 y^{\prime }+18 y = 0 \]

\[ {}y^{\prime \prime }-5 y^{\prime }+6 y = 0 \]

\[ {}y^{\prime \prime }+6 y^{\prime }+8 y = 0 \]

\[ {}y^{\prime \prime }-4 y^{\prime }+4 y = 0 \]

\[ {}y^{\prime \prime }+10 y^{\prime }+25 y = 0 \]

\[ {}y^{\prime \prime }+9 y = 0 \]

\[ {}y^{\prime \prime }+49 y = 0 \]

\[ {}a y^{\prime \prime }+b y^{\prime }+c y = 0 \]

\[ {}y^{\prime \prime } = 0 \]

\[ {}y^{\prime \prime }-4 y^{\prime }-12 y = 0 \]

\[ {}y^{\prime \prime }+y^{\prime } = 0 \]

\[ {}y^{\prime \prime }+3 y^{\prime }-4 y = 0 \]

\[ {}y^{\prime \prime }+8 y^{\prime }+12 y = 0 \]

\[ {}y^{\prime \prime }+5 y^{\prime }+y = 0 \]

\[ {}8 y^{\prime \prime }+6 y^{\prime }+y = 0 \]

\[ {}4 y^{\prime \prime }+9 y = 0 \]

\[ {}y^{\prime \prime }+16 y = 0 \]

\[ {}y^{\prime \prime }+8 y = 0 \]

\[ {}y^{\prime \prime }+7 y = 0 \]

\[ {}4 y^{\prime \prime }+21 y^{\prime }+5 y = 0 \]

\[ {}7 y^{\prime \prime }+4 y^{\prime }-3 y = 0 \]

\[ {}4 y^{\prime \prime }+4 y^{\prime }+y = 0 \]

\[ {}y^{\prime \prime }-6 y^{\prime }+9 y = 0 \]

\[ {}y^{\prime \prime }-y^{\prime } = 0 \]

\[ {}3 y^{\prime \prime }-y^{\prime } = 0 \]

\[ {}y^{\prime \prime }+y^{\prime }-12 y = 0 \]

\[ {}y^{\prime \prime }-7 y^{\prime }+12 y = 0 \]

\[ {}2 y^{\prime \prime }-7 y^{\prime }-4 y = 0 \]

\[ {}y^{\prime \prime }-7 y^{\prime }+10 y = 0 \]

\[ {}y^{\prime \prime }+36 y = 0 \]

\[ {}y^{\prime \prime }+100 y = 0 \]

\[ {}y^{\prime \prime }-2 y^{\prime }+y = 0 \]

\[ {}y^{\prime \prime }+4 y^{\prime }+4 y = 0 \]

\[ {}y^{\prime \prime }+2 y^{\prime }+5 y = 0 \]

\[ {}y^{\prime \prime }+4 y^{\prime }+20 y = 0 \]

\[ {}y^{\prime \prime }+y^{\prime }-y = 0 \]

\[ {}y^{\prime \prime }+y^{\prime }+y = 0 \]

\[ {}y^{\prime \prime }-y^{\prime }+y = 0 \]

\[ {}y^{\prime \prime }-y^{\prime }-y = 0 \]

\[ {}6 y^{\prime \prime }+5 y^{\prime }+y = 0 \]

\[ {}9 y^{\prime \prime }+6 y^{\prime }+y = 0 \]

\[ {}y^{\prime \prime }+4 y^{\prime }+20 y = 0 \]

\[ {}a y^{\prime \prime }+2 b y^{\prime }+c y = 0 \]

\[ {}y^{\prime \prime }+6 y^{\prime }+2 y = 0 \]

\[ {}y^{\prime \prime }-5 y^{\prime }+6 y = 0 \]