ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-18 23:51Z
d/dr [r^8] = 8r^7
det| 7 7 ; 4 8 | = 28
257K
2β² + 4β + 1 = 0
det| 11 5 ; 0 12 | = 132
159K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
437K
det| 11 3 ; 0 12 | = 132
\frac{1}{7} \sum_{i=1}^{n} i^{2}
193K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
∑_{k=1}^{n} k = n(n+1)/2
202K