ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-18 23:43Z
d/dr [r^8] = 8r^7
\lim_{α\to 0} \frac{\sin α}{α} = 1
259K
2β² + 4β + 1 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 7 1 ; 7 8 | = 49
437K
∑_{k=1}^{n} k = n(n+1)/2
442K
det| 11 3 ; 0 12 | = 132
det| 7 4 ; 4 8 | = 40
231K
det| 12 9 ; 5 13 | = 111
193K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
22K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
479K