MCQ
निम्नलिखित में से कौन परिभाषित नहीं है?
  • A
    $\vec{a}+\vec{b}$
  • B
    $\vec{a} \times 2 \vec{b}$
  • $(3 \vec{a} \times 2 \vec{b}) 4 \vec{a}$
  • D
    $(\vec{a} \cdot 2 \vec{b}) \vec{a}$

Answer

Correct option: C.
$(3 \vec{a} \times 2 \vec{b}) 4 \vec{a}$
C

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