ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 02:18Z
4α² + 9α + 0 = 0
∫₀^∞ e^(-y²) dy = √π / 2
∫₀^∞ e^(-β²) dβ = √π / 2
125K
det| 1 9 ; 6 2 | = -52
det| 11 9 ; 5 12 | = 87
17K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
311K
∑_{k=1}^{n} k = n(n+1)/2
264K