Question

Calculate the scalar product of the following vectors.
The vector x satisfies the following conditions: (a) x is collinear with the vector $a=6i-8j-7.5k;\left(b\right)x$ makes an acute angle with the $Ozaxis;\left(c\right)|x|=50.$ Find the coordinates of the vector x.

Answer 1

x = {-24, 32, 30}