1.On the basis of the given diagram, choose the pair of vectors which have an acute angle between them.a.a⃗\vec{a}a and c⃗\vec{c}cb.a⃗\vec{a}a and a⃗\vec{a}ac.b⃗\vec{b}b and c⃗\vec{c}cd.b⃗\vec{b}b and a⃗\vec{a}aLogin to continueOnly logged in users canattempt or see the solution.