Question

Vectors

A = 3i - 2j + 4k
B = -5i + 2j - k


A x 4B = -24i-68j-16k

PLEASE VERIFY ?

Answer 1

@hartnn

Answer 2

@escolas

Answer 3

@Euler271

Answer 4

@Luigi0210

Answer 5

@Mertsj

Answer 6

@nubeer

Answer 7

@timo86m

Answer 8

@UnkleRhaukus

Answer 9

Dot product is easy. Multiply the like terms and add all together. So -15-4-4= -23

Answer 10

try can academy :)

Answer 11

I don't know how to use this academy :/

Answer 12

btw how about the cross product ??

Answer 13

https://www.khanacademy.org/math/algebra/algebra-matrices/matrix_multiplication/v/matrix-multiplication--part-1

Answer 14

cross product

https://www.khanacademy.org/science/physics/electricity-and-magnetism/v/cross-product-1

Answer 15

just click on link and video plays