It is found that \[|A+B|\,=\,|A|\]. This necessarily implies. – McqOptions

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1.	It is found that \[\|A+B\|\,=\,\|A\|\]. This necessarily implies.
A.	\[B=0\]
B.	\[\vec{A},\vec{B}\] antiparallel
C.	\[\vec{A},\vec{B}\] are perpendicular
D.	\[\vec{A}.\vec{B}\le 0\]
Answer» C. \[\vec{A},\vec{B}\] are perpendicular

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