JEE Mains · Maths · STD 12 - 10. vector algebra
Let \(ABCD\) be a quadrilateral. If \(E\) and \(F\) are the mid points of the diagonals \(AC\) and \(BD\) respectively and \((\overrightarrow{ AB }-\overline{ BC })+(\overrightarrow{ AD }-\overrightarrow{ DC })= k \overline{ FE }\), then \(k\) is equal to
- A \(2\)
- B \(-2\)
- C \(-4\)
- D \(4\)
Answer & Solution
Correct Answer
(C) \(-4\)
Step-by-step Solution
Detailed explanation
\(\overline{ AB }-\overline{ BC }+\overline{ AB }-\overrightarrow{ DC }= k \overline{ FE }\)…
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