ABCD is a parallelogram with diagonals AC and BD. Express $\vec{AB}$ in terms of $\vec{AD}$ and $\vec{BD}$.

Question

Accepted Answer

$\vec{AD}-\vec{BD}$

Answer

$\vec{AD}+\vec{BD}$

Answer

$\vec{BD}-\vec{AD}$

Answer

$-\vec{AD}-\vec{BD}$

ABCD is a parallelogram with diagonals AC and BD. Express AB⃗\vec{AB}AB in terms of AD⃗\vec{AD}AD and BD⃗\vec{BD}BD.