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oldrin.bataku
 2 years ago
Best ResponseYou've already chosen the best response.1Remember that the magnitude \(\vec{a}\) and dot product \(\vec{a}\cdot\vec{b}\) both operate on *vector(s)* to yield a *scalar*.

ranyai12
 2 years ago
Best ResponseYou've already chosen the best response.1also just to double check, you cant multiply a vector and a scalar together right

ranyai12
 2 years ago
Best ResponseYou've already chosen the best response.1so would first one be valid

ranyai12
 2 years ago
Best ResponseYou've already chosen the best response.1im thinking its valid, valid,invalid, valid

oldrin.bataku
 2 years ago
Best ResponseYou've already chosen the best response.1The last is valid? Are you sure? It's a dot product between a scalar and vector.

ranyai12
 2 years ago
Best ResponseYou've already chosen the best response.1oh no yr right its invalid
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