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MCQMediumJEE Main 2023 · 15 April, Shift 1Basics of Vectors

Mathematics Question from JEE Main 2023 · 15 April, Shift 1

Let ABCDABCD be a quadrilateral. If EE and FF are the midpoints of the diagonals ACAC and BDBD respectively and

(AB→−BC→)+(AD→−DC→)=k FE→(\overrightarrow{AB}-\overrightarrow{BC})+(\overrightarrow{AD}-\overrightarrow{DC})=k\,\overrightarrow{FE}

then kk is equal to

  • A

    −4-4

  • B

    −2-2

  • C

    22

  • D

    44

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