ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-18 23:44Z
d/dr [r^8] = 8r^7
\binom{n}{k} = \frac{n!}{k!(n-k)!}
259K
2β² + 4β + 1 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 11 3 ; 0 12 | = 132
\binom{n}{k} = \frac{n!}{k!(n-k)!}
193K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}