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Vector Algebra question

2003 · Shift 0 · Q97
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  5. /2003 · Shift 0 · Q97

Vector Algebra question

2003 · Shift 0 · Q97

JEE MainMathematicsVector AlgebraMCQ+4 / −1
Consider points A,B,CA, B, CA,B,C and DDD with position vectors 7i^−4j^+7k^,i^−6j^+10k^,−i^−3j^+4k^7\widehat i - 4\widehat j + 7\widehat k,\widehat i - 6\widehat j + 10\widehat k, - \widehat i - 3\widehat j + 4\widehat k7i−4j​+7k,i−6j​+10k,−i−3j​+4k and 5i^−j^+5k^5\widehat i - \widehat j + 5\widehat k5i−j​+5k respectively. Then ABCDABCDABCD is a :
  1. A
    parallelogram but not a rhombus
  2. B
    square
  3. C
    rhombus
  4. D
    None
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