Question

Given u = 4i + k and v = -i + 2j + 2k, find u x v

Answer 1

the cross product is just a matter of doing the labour ... theres no short way around it

Answer 2

x 4 -1
y 0 2
z 1 2

and cross

Answer 3

:( I dont get it

Answer 4

you dont get what? a cross product is simply following the procedure that defines a cross product

Answer 5

it is just creating a determinant of the matrix using the variable column (or row) to expand it on