Question

Let ABCD be a quadrilateral. If E and F are the mid points of the diagonals AC and BD respectively and $(\vec{AB}-\vec{BC})+(\vec{AD}-\vec{DC})=k \vec{FE}$, then k is equal to

• A. -4
• B. -2
• C. 2
• D. 4

Answer 1

Answer: (A)

-4

Answer 2

The correct option is(A): -4