If \[\overset{\to }{\mathop{a}}\,,\text{ }\overset{\to }{\mathop{b}}\,,\text{ }\overset{\to }{\mathop{c}}\,\] are the position vectors of corners A, B, C of a parallelogram ABCD, then what is the position vector of the corner D?

\[-\overset{\to }{\mathop{a}}\,+\overset{\to }{\mathop{b}}\,+\overset{\to }{\mathop{c}}\,\]

\[\overset{\to }{\mathop{a}}\,+\overset{\to }{\mathop{b}}\,+\overset{\to }{\mathop{c}}\,\]

\[\overset{\to }{\mathop{a}}\,+\overset{\to }{\mathop{b}}\,-\overset{\to }{\mathop{c}}\,\]

\[\overset{\to }{\mathop{a}}\,-\overset{\to }{\mathop{b}}\,+\overset{\to }{\mathop{c}}\,\]

If \[\overset{\to }{\mathop{a}}\,,\text{ }\overset{\to }{\mathop{b}}\,

1.	If \[\overset{\to }{\mathop{a}}\,,\text{ }\overset{\to }{\mathop{b}}\,,\text{ }\overset{\to }{\mathop{c}}\,\] are the position vectors of corners A, B, C of a parallelogram ABCD, then what is the position vector of the corner D?
A.	\[\overset{\to }{\mathop{a}}\,+\overset{\to }{\mathop{b}}\,+\overset{\to }{\mathop{c}}\,\]
B.	\[\overset{\to }{\mathop{a}}\,+\overset{\to }{\mathop{b}}\,-\overset{\to }{\mathop{c}}\,\]
C.	\[\overset{\to }{\mathop{a}}\,-\overset{\to }{\mathop{b}}\,+\overset{\to }{\mathop{c}}\,\]
D.	\[-\overset{\to }{\mathop{a}}\,+\overset{\to }{\mathop{b}}\,+\overset{\to }{\mathop{c}}\,\]
Answer» D. \[-\overset{\to }{\mathop{a}}\,+\overset{\to }{\mathop{b}}\,+\overset{\to }{\mathop{c}}\,\]

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If \[\overset{\to }{\mathop{a}}\,,\text{ }\overset{\to }{\mathop{b}}\,,\text{ }\overset{\to }{\mathop{c}}\,\] are the position vectors of corners A, B, C of a parallelogram ABCD, then what is the position vector of the corner D?

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