Question

Multiplying a vector by a negative scalar constant (a) gives :-
(1) A vector in same direction and having magnitude (a) times
(2) A vector in same direction and having magnitude (-a) times
(3) A vector in opposite direction and having magnitude (a) times
(4) A vector in opposite direction and having magnitude (-a) times​

Answer 1

multiplying factorcgcgcgg

Answer 2

Answer:

(4) A vector in opposite direction and having magnitude (-a) times