α A B β δ Δ σ Σ η H μ M ω Ω {\displaystyle \alpha \mathrm {A} \mathrm {B} \beta \delta \Delta \sigma \Sigma \eta \mathrm {H} \mu \mathrm {M} \omega \Omega } i 2 {\displaystyle i^{2}} i 5 {\displaystyle i^{5}} x 1 {\displaystyle x_{1}} ( x + y ) n {\displaystyle (x+y)^{n}}
d 2 y d x + ω 2 y {\displaystyle {\frac {d^{2}y}{dx}}+\omega ^{2}y} T = 2 Π l g {\displaystyle T=2\Pi {\sqrt {\frac {l}{g}}}} d 2 d x + 2 b d y d t + ω 2 y {\displaystyle {\frac {d^{2}}{dx}}+2b{\frac {dy}{dt}}+\omega ^{2}y}
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