Question

Vector question...!

Answer 1

for a.b(dot product), the numerator |a.b| means take positive / take mod
but for a x b(scalar product), numerator |a x b| means after scalar product, you square root the sum of the square of the products.
am i right to say that ?

Answer 2

|a.b| means take `positive value` of the `dot product`

|axb| means take the `magnitude/length` of `vector product`

Answer 3

thank you!