Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-08-22 12:47Z
∇²β = 0
det| 5 7 ; 1 6 | = 23
det| 5 6 ; 2 6 | = 18
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det| 3 7 ; 2 4 | = -2
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∇ × E = −∂B/∂t
∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
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det| 1 7 ; 4 2 | = -26
7y² + 8y + 5 = 0
det| 3 9 ; 1 4 | = 3
det| 6 8 ; 2 7 | = 26
∑_{k=1}^{n} k = n(n+1)/2
d/dα [α^7] = 7α^6