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QJEEAdv04Mae30a: JEE Advanced 2004 Physics - Class 11 JEEAdv04Mae30a Solution: If and then is

If a→=(i^+j^+k^),a→.b→=1\overrightarrow a = \left( {\widehat i + \widehat j + \widehat k} \right),\overrightarrow a .\overrightarrow b = 1 and a→×b→=j^−k^,\overrightarrow a \times \overrightarrow b = \widehat j - \widehat k, then b→\overrightarrow b is

Multiple Choice Options

  • A i^−j^+k^\widehat i - \widehat j + \widehat k
  • B 2j^−k^2\widehat j - \widehat k
  • C i^\widehat i
  • D 2i^2\widehat i

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