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MHT-CET PCM 08 — MHT - CET STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceMHT - CETMHT-CET PCM 081 Mark
MCQ
If $\bar{a}, \bar{b}$ and $\bar{c}$ are three non-coplanar vectors then $(\bar{a}+\bar{b}+\bar{c}) \cdot[(\bar{a}+\bar{b}) \times(\bar{a}+\bar{c})]$ = ______.
  • ✓
    $-[\bar{a} \bar{b} \bar{c}]$
  • B
    0
  • C
    $[\bar{a} \bar{b} \bar{c}]$
  • D
    $2[\bar{a} \bar{b} \bar{c}]$
✓

Answer

Correct option: A.
$-[\bar{a} \bar{b} \bar{c}]$
A

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