I know that $(a+b,c+d)=(a,c)+(a,d)+(b,c)+(b,d)$ But what for $(a+b,c+d,e+f)$? Am little confused although it's a very simple question. But can you pls put the general formula?
2026-03-30 13:20:11.1774876811
Summation of Trilinear form elements
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