ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 02:13Z
4α² + 9α + 0 = 0
∫₀^∞ e^(-y²) dy = √π / 2
det| 2 7 ; 7 3 | = -43
91K
det| 1 9 ; 6 2 | = -52
det| 10 4 ; 1 11 | = 106
310K
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
39K
∑_{k=1}^{n} k = n(n+1)/2
6K