How to calculate vector cross product For example, a = x1i + y1j + Z1k B = x2i + Y2J + z2k to find a × B

a×b=(a2b3-a3b2)i+(a3b1-a1b3)j+(a1b2-a2b1)k

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1. How to calculate vector dot product and cross product?
2. How to calculate vector cross product For example, vector a = (1,2,3), B = (4,5,6) How to calculate the cross product of a and B
3. How to calculate vector cross product,
4. What is the determinant of the cross product of a vector Vector s = vector N1 × vector N2 n1(1,-1,0) n2(0,2,1) |i j k | s=|1 -1 0 | =-i-j+2k |0 2 1 | How to calculate? I use the third-order determinant method to do it. It's wrong Is it wrong in the book I did (- 1-2) I - (1-0) j + (2-0) J I should be - 3
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17. On the problem of vector cross product Vector Ba = 1 / 2 (2 vector a + vector b-vector C) vector BC = 1 / 2 (vector a + vector C) ask vector Ba cross product vector BC =?
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19. On the problem of vector addition~ (vector AB + vector MB) + (vector Bo + vector BC) + vector OM=______________ ?
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