Math Dump /sym/6c3138

id=1 · host=fr.findroms.cloud · 2026-10-18 22:11Z

3n² + 7n + 7 = 0

∑_{k=1}^{n} k = n(n+1)/2

460K

∑_{k=1}^{n} k = n(n+1)/2

438K

∫₀^∞ e^(-ω²) dω = √π / 2

d/dx [x^9] = 9x^8

186K

\binom{n}{k} = \frac{n!}{k!(n-k)!}

411K

\frac{10}{6} \sum_{i=1}^{n} i^{2}

7r² + 8r + 5 = 0

448K

det| 7 4 ; 4 8 | = 40

22K

d/dr [r^12] = 12r^11

N₂ + 3H₂ ⇌ 2NH₃

459K

F = G m₁m₂ / r²

406K

d/dφ [φ^5] = 5φ^4

N₂ + 3H₂ ⇌ 2NH₃

181K

e^{i\pi} + 1 = 0

80K

2H₂ + O₂ → 2H₂O

∑_{k=1}^{n} k = n(n+1)/2

359K