I like physics and mathematics
he is gemmy
currently self studying lagrangian mechanics
< m a t h >< m a t h > d d t ∂ L ∂ x ˙ = ∂ L ∂ x {\displaystyle <math><math>{\frac {\mathrm {d} }{\mathrm {d} t}}{\frac {\partial L}{\partial {\dot {x}}}}={\frac {\partial L}{\partial x}}} }}