What is the cross product of <3 ,1 ,-6 ><3,1,6> and <-2 ,-4 , 8 ><2,4,8>?

1 Answer
Mar 14, 2016

A X B= <-16,12,-10>AXB=<16,12,10>

Explanation:

A=(A_x ,A_y,A_z) " "B=(B_x,B_y,B_z)A=(Ax,Ay,Az) B=(Bx,By,Bz)
A X B=(A_y B_z-A_z B_y),(A_x B_z-A_z B_x),(A_x B_y-A_y B_x)AXB=(AyBzAzBy),(AxBzAzBx),(AxByAyBx)
A X B=(8-24),(24-12),(-12+2)AXB=(824),(2412),(12+2)
A X B=(-16,12,-10)AXB=(16,12,10)