What is the cross product of <-3,4, 8 ><−3,4,8> and <2,-4, -9 ><2,−4,−9>?

1 Answer
ali ergin
Feb 17, 2016

vec B=(-4,11,4)→B=(−4,11,4)

Explanation:

vec A=(a,b,c)→A=(a,b,c)
vec B=(d,e,f)→B=(d,e,f)
vec A X vec B=(b*f-c*e ,a*f-c*d,a*e-b*d)→AX→B=(b⋅f−c⋅e,a⋅f−c⋅d,a⋅e−b⋅d)
vec A=(-3,4,8)→A=(−3,4,8)
vec B=(2,-4,-9)→B=(2,−4,−9)
vec A X vec B=(-36-+32),(27-16),(12-8)→AX→B=(−36−+32),(27−16),(12−8)
vec B=(-4,11,4)→B=(−4,11,4)

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